Recently (couple months), I noticed my girlfriend has been talking to another guy alot, texting. They're in each other's classes too (we're 21). I also noticed that as a result she's texted me alot less. She is in contact with him more than me. I told her what I noticed and she said she didn't realize she was making me feel neglected. She says he's just a friend and is still really into me (we've been dating for almost a year).
I don't know what to do. She says she will talk to me more often. I know at this rate, I will lose her to this guy. Honestly, I want to tell her to talk to him less but I don't want to be controlling and have her end up hating me.