[Serious] Men of Reddit: What is something you wish you could apologize for that you did to a person of the opposite gender?

In the last couple months of high school I started hooking up with a girl I liked. Over the course of the spring and summer I spent more and more time with her until I was basically spending all my free time at her house, usually passed out on her bed or couch. I went away to college but she stayed home because her grades weren't awesome and she wasn't quite sure what she wanted to do. Throughout my first year and the next summer she texted me all the time and went out of her way to get together with me whenever I could. When she broke up with me over winter break of my sophomore year I figured we had just outgrown each other and that was it, I remember being confused as to why she was so upset. After about a month I realized it was because she had been so good to me, devoting a lot of herself to making me happy, and I had given her nothing in return. She was an awesome girlfriend, always there for me, and I was the kind of guy who said we "weren't anything" when my friends asked about us. I want to apologize for being such a selfish, lazy dickhead but she's better off not hearing from me.

TL;DR Sorry you put so much effort into me and I put none into you

/r/AskReddit Thread