Sorry to hear about your friend,
I hope you dont mind me asking - but why dont you accept invitations ? Trying to befriend someone would be the best thing to do. Well, I do understand how difficult it is to be depressed and trying to push yourself to do something like socialising.. Went through something like that myself, but I pushed myself and even went out and kind of masked my feelings and tried to regain the balance. Still on the fence myself, though.

But hey, most importantly - try to get rid of the thoughts of suicide.Life is full of miracles and worth living. How I look at it ? Find a dream, something you love. Try to be the best "you" that you can be. Prove everyone else wrong..

Btw. you can hit me up if you want or need it. Im open to chatting ;)