You're 20. In college. Miles away from home. Drown your sorrows in copious amounts of alcohol and vagina. You'll be fine.
It's probably been said somewhere in this thread already but A) you're 20 years old, B) in college (arguably the most fun, carefree period of your life) and C) probably don't have a clue what other women are like out there. Do yourself a favor and just enjoy life and focus on your career. The relationship stuff will come naturally.
Very rarely, do you end up spending your life with your first gf....or second...or third. This is all practice until you find your wife 3+ relationships from now.
Yeah man. Well I met a lot of people of course but basically didn't get super close to a particular girl. Which of course I regret now. I did a lot of **** "for the good of the relationship" and all the time she was just thinking of herself. I should have been too. BTW, I don't really feel like I've "wasted" a year and a half of college, I'm really a chill guy to begin with. I've certainly had lots of fun. I'll just have a little more the next couple years
OP, It sucks that it had to happen that way, but now you see how she really is. Just move on and go meet new ladies ASAP. That is the best way to get your mind cleared. Don't sit around and sulk at what "it could of been". Also, YOU ARE YOUNG! Now get out and smang some other broads