I'm sorry to hear about how that guy flaked out on you. But don't take it personally that no guy seems to be pursuing you. In high school there were plenty of girls my friends and I wanted to date. But, we never had the guts to ask them out. Nor were we really emotionally mature enough to love the high school girls in the way they deserved. Sometimes guys do not pursue women because the guys are shy. Other times, the guys are shallow, and they won't bother to pursue girls who have standards, because they just want to use them. Other times, the guys are just clueless. For example, me:
I remember one Saturday night in high school I came home from the batting cages with a bunch of guy friends, and my mom just hung up the phone talking to a friend of hers. She said her friend's high school daughter (who was a cute girl) was at home crying because no one asked her to the dance. My response? "Oh. There was a dance tonight" The guys and I were clueless. Unfortunately, this great girl across town was probably having huge self-esteem problems, when in reality she had nothing to worry about. So, do not take this too personally. Love will come your way. But be patient and wise, so as not to fall for the counterfeits.
I don't know if this will sound cool or dorky to you, but I'll say it anyway. Take Jesus on a date. Go to church. Talk to him about your worries. Maybe if you're feeling called to marriage, you could say some prayers for your future husband. When you go to church, bring Jesus a flower. Spend an hour with him before the Blessed Sacrament. I say this because he thirsts for your love, too. Besides, the closer you get to him, the more you will understand your great worth, and the less likely you will be to fall for guys who don't understand it. In the meantime, may the peace of Christ be with you.