SUBREDDIT: r/relationships
TITLE: I [18m] just broke up with my girlfriend [20f] about an hour ago and I'm already drowning in emotion and stress
POST: We started dating when I was 15 and she was 17 and it's been a long road with a lot of bumps but a lot of happy times too. I've been dating her so long its like we grew up together. But now I realized we prioritize getting married very differently. She wanted to do it ASAP and I didn't care either way how long it took. I told her I didn't want to do it till after college and she agreed but it was still hard. The reason why we broke up is irrelevant to me right now. I just need advice on how to handle this. It's killing me. There's so many pictures of her in my house and everything I look at makes me think of her. And I also can't bear to think of her crying still, yet I know this broke her heart.
TL;DR: 
I need advice on how to handle myself and get over a long term relationship break up. Especially because I can't even bear to think of her crying and I know she is