What's the most ungrateful thing someone has done to you?

Not happened directly to me, but to someone I know: a 65 y/o guy who owns a house close to Paris. He got it a few years ago after his parents' death. He has a 20 y/o son who has been studying in Paris last year, so he lent the key to him. The son decided to live there for a year, which is ok, and to make a friend of him live here too (another student). He asked his friend for a monthly fee, which was about 6 to 9 times lower than the market price for such kind of house in this area.
The son went to another city for studying and left the house. The father asked his son to have his friend leave the house too (so he can use it again), with a kind attitude (take a few months to find another place, and so on).
In the end, the guy leaved the house (with no cleaning, fridge in a disgusting state with awful odors, etc.) but refused to pay the last months, arguing that it wasn't correct to ask him to leave. The father did even receive an insulting phonecall from the guy's mother :)

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Dumbledora tied my hands so i couldnt fap and release my magical power . that ungrateful bastard

I don't really remember the most ungrateful thing someone has done to me. For, I have learned to not expect thanks from people but have learned to value those who are thankful. To quote Seneca, "It is another's fault if he be ungrateful, but it is mine if I do not give. To find one thankful man, I will oblige a great many that are not so."

The most ungrateful thing that came to my mind... was when i bought brute force for old xbox, beat the game once, a friend of my middle brother usually came to my house see what's new and exchange games so we could beat things and return them after. Well i pretty much got scammed, first time of my life, the dude came to my house and was like "hey, did you get any new games lately?", i was like "Yeah, i got brute force, i beat it yesterday", then comes the talk about borrowing my game and he said he would lend me one of his games tommorow. So i accepted the deal.

The next day my brother tells me that dude was never giving back my game as he was moving homes, and the distance is huge. I'm living in the centre/north of Portugal, the a-hole went to Lisbon, which is like 250Km (500Km with return) from here. So yeah, i got scammed big time. Never got to explore the game or beat it at higher difficulties. I got over it after 3 days, what pissed me the most is that i lost 30€ right there. And my brother was an a-hole aswell, he could have given me a heads up earlier, when he warned me it was too late, damn idiot.

I gave family sharing to a friend he demanded that i should play less so he could play more he only owns mw2 :((((

my ex gf left me for no reason. a year and a half later she told me she was pregnant nad gave it away for adoption... to make it short, today after another year and one meeting with the child i signed the adoption formulars today. fuck the world, seriuosly

Built up a person's self-consciousness and confidence back up from scratch, only to have mine crushed by the same person.

Had a girl I was friends with for two years, we were hanging out at my house or going out to eat or the movies at least 5 nights a week and the nights we weren't doing that we were on the phone after work till about midnight sometimes 1AM.

Then I hit hard times, lost my place and had to move back in with the family. So she basically dropped off the face of the earth to me, lied to me, lied to her friends about me and then used me to make another guy jealous and then blew me off after he tried to fight me over a 2 day argument he started because of her lying. Wasn't much of a fight though, he came at me and then bolted 45 seconds into it after I knocked him twice in his temple.

This was about 12 years though, was hoping for some justice and that she would regret it but last I heard, the guy she pulled this with, she actually married and all. So basically she went total two-face and actually got rewarded for it.

Still to this day, if I ever see her again, she can keep her mouth shut, have nothing to say to her. She has told to many lies, broken too many promises and played to many games.

My girlfriend left me 1 month ago. We got big and great love for 8 years. We decide to marry. We start preparing and 2 months later she just said i dont love you anymore because of this i cant marry with you. I cant enjoy from anything anymore, just going to work and go home like a robot. I really can't understand why she want to marry with me why she preapare me for this for those years if she decide this after all. After 8 years i can't recognize her anymore i was happier in the world just in one night she create this robot after those happy years.

I always try to forget bad things that happen to me, to avoid to feel sad, this is the most recent one:

I have troubles studying and talking to people, extremely low self esteem plus I have quite a shitty personality, university isn't going well and I can't study. I've met a guy and agreed to study with him a large subject, Biochemistry, he told me he could get me a lot of papers with all the lessons, some transcriptions of what the professor said and helping me study. We studied from march to june and I never saw those papers even asking/begging him everyday and almost losing a thumb drive that he kept for 2 and half months, in the end he passed with an high grade, I failed. I was so mad and depressed, very depressed.

But that's life :3 That's what you get for trusting people :D

Hmm. Something like 4 years ago, I befriended an outcast only to be ostracized by the former outcast AND my old circle of friends. Yay high school.

Mmmmh... In short, one day, my "father" decided to not see his children anymore (my parents divorced many years before that, and his children were between 8 and 14 year old). He just told us to fuck off. Well, that's not his fault (sigh), he never could decide anything by himself, and it happened just after the wedding with his new wife (to which we weren't invited), and the birth of his new child. One of the few times we saw them, they were far on the sidewalk, and they simply crossed the road to avoid us. Oh well, that's life, some people can't just assume their parent's role until the end :p (and I actually feel bad for his "new" daughter, I hope she will never discover that...)
(And I actually feel "lucky" that it is only that, I know a few people with way worse stories regarding of their parents...)

Also, being told by someone you trusted with your life that you said very wicked things (that you never even thought yourself...), because people "told me you said it", it can be very, very hurtful, even more when you know that those people were apparently your friends. And of course you will have no chance to convince this someone that it was all lies since this person decided then to cut all contacts with you, so you will stay forever that arsehole who said those things. People said it, so it's true, right? It sounds ridiculous, but words can be very powerful, and I hope it will never happen to any of you ^^

I actually just found worse crap but my "in short" is already one of the longest :p

My son told me he doesnt need me for nothing after he won the lottery prize of USD10,000,000.00

Well, my parents are very ungrateful for things I do for them. It seems that for everything I do, more is expected.

Aside from those things, there was one thing that happened in high school. My best friend at the time wanted to leave the group we were spending breaks with, and I suggested another group to sit with. After a while it seemed she fitted into this group well, while I did not. I got along with most of them individually, but they used to go out and have sleepovers and things which I wasn't allowed to do. Some time later they told me I needed to leave, and I lost my friend over it because she didn't want to associate with me anymore. Now looking back at it, I should have seen it coming since she wanted to leave the other group, but alas I was young and naive.

wat haha!

Well one of my female friends always had "problems" (that weren't actually problems to begin with but she seemed to think so) and was completely devastated about some of them. I stayed up all night to help her and calm her down sometimes, doing everything I could to help her. She talked to me EVERY DAY for 2 months... but 2 weeks ago she managed to get a boyfriend.

from that day on, I haven't heard from her. It just sucks. I do have my own girlfriend though, had her for 3 years now so it's not about that. it's just that she appearently wasn't that happy with all the things i did for her after all :S

Someone didn't say "Thanks" under my Dead Bits soundtrack giveaway :(

I know that most people here are against piracy, but this was years ago and kind of a special situation.

My mom had been babysitting this boy about 8 or 9 years old. He was overall a pretty nice kid. But he was poor (as am I) and he had only a few video games - just a PS2 with 3 or 4 games. His mom simply couldn't afford anything more.

Well, I didn't exactly have any money to spare, but I did have a couple blank CDs, and he had a low end, but usable desktop PC. So I decided I'd surprise him. I filled a CD with like 50+ classic game ROMs and took it to him, so he would have something to play. His response?

"Those games are gay. If it doesn't have GTA or Call of Duty, I don't want it!" and he sat and pouted and wouldn't accept the gift.

Got a bj with a dry mouth. proof

I was sitting in my room and my mom and my dad came in and they pulled up a chair and they sat down, they go:
Mike, we need to talk to you
And I go:
Okay what's the matter
They go:
Me and your mom have been noticing lately that you've been having a lot of problems,
You've been going off for no reason and we're afraid you're gonna hurt somebody,
We're afraid you're gonna hurt yourself.
So we decided that it would be in your interest if we put you somewhere
Where you could get the help that you need.
And I go:
Wait, what are you talking about, we decided!?
My best interest?! How can you know what's my best interest is?
How can you say what my best interest is? What are you trying to say, I'm crazy?
When I went to your schools, I went to your churches,
I went to your institutional learning facilities?! So how can you say I'm crazy?

They say they're gonna fix my brain
Alleviate my suffering and my pain
But by the time they fix my head
Mentally I'll be dead

Tell me he/she is coming home tonight and then cancel in the last minute. I cant stand that, and you'll probably earn yourself some insults.

A friend of mine was supposed to look after my cats for a few days, turns out he left them starving for that whole time. He pulled the classic of how he "forgot about it" and how "sorry" he was..

Haven't really spoken to him since.

Girl I liked (which she knew) got dumped. Was my best friend for the better part of a year in which we were constantly talking (not kidding, pretty much from 10 am till 3 am).
Helped her through the breakup (because I sincerely felt bad for her). She ended up banging a mutual friend and had the nerve to message me from his bed the morning after.

Then asked why I cut off contact.

Jeez. Dunno.

Now she keeps coming into the store I work in (and considering I only work there 5 hours per week I'm gonna say on purpose) with her boyfriend. I wanna punch her so badly.