I've been talking to more and more to my friend, Aaron for while. Lately though I feel like he's been flirting with me. I already have a boyfriend, and he knows that. Aaron is nice to talk with, but lately it feels like he's been trying to hard to flatter me. Last night he had said "You are amazing," "Your boyfriend is lucky to have someone as beautiful as you are," "Well, I hope when I get into a relationship with another girl, I hope she can be atleast as half as wonderful as you are," and then when I left to go to sleep, he responds with "good night, hottie." I don't really respond back to any of those types of posts because it doesn't feel right at all. I love who I'm with already and I want nothing to do with whatever he has up his sleeve. Would this situation be anything close to being called cheating?

If you have only been posting with him then no I wouldn't call it cheating. Just let him know how you feel and tell him not to bother you are happy with someone else.

I wouldn't call it cheating unless you are responding to his posts inappropriately. You can tell him that, while you like the complements, it makes you feel uncomfortable since you are in a relationship.

If he is a gentleman he will understand.

I wouldn't call it cheating at all. He is saying stuff to you and you're not responding. Let him know that it makes you feel uncomfortable when he says stuff like that.