Is talking anonymously about sex counts as cheating? (with ga's, 9 hours left!)

I had this very bizarre idea on my mind.

Let's say you have a girlfriend, and your relationship is good, or so-so. And when you talk with somebody else anonymously in some platform about relationships, sex, or start a sexting, does that counts as a cheating? I mean, for me, if this isn't continuing after you've done talking, technically you just talk and enjoy with somebody else. Maybe you could say you wish to continue that in his/hers room, which could be in the border of cheating, but how could you cheat your lover in your own room, with just texting? Is there some regulation for talking about it?

I will put some obligatory ga's in the morning, so please enlighten me.

edit: Hi! so, uh, i didn't know this topic was gonna go up like that. This was originally a bet with one of my friend, and this giveaways are his little presents for you :) All giveaways are gonna end in 9 hours, and there are 2 more because of my giveaway limit, so enjoy and good luck :)

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ps: i luv you guys :3
ps ps: guys, i'm a poor soul with only have some waifus... yeah....