FUCK THAT SUCKS. She sounds like a bitch.
When I was single, I realized most girls didn't like romance until they have a steady boyfriend. Then, I realized that most girls like assholes. So, I started acting like an asshole as an experiment. I attracted a lot of bitches. Then I realized that most girls are bitches. Then I realized that women being attracted to assholes has a lot to do with biology. They instinctively want a strong mate to breed with. So us nice guys have to balance being a civilized, good, kind person, with being aggressive, animalistic and tough.
There is almost never a good excuse for standing someone up. It's usually just a cowardly way of rejecting someone.
I watched a couple episodes of The Pick Up Artist on VH1. I love that show. I learned all that by trial-and-error. It was a very painful experience, but from 22 to 27 years of age, I had no women, and I was still a virgin. The host, Mystery (Mr. E?) says everything I know but much more eloquently.
I knew I could learn to pick girls up, but I had no one to teach me. I highly recommend that show to all the single lads.
During that time in my life, one of my friends made fun of me because I used to insist I needed to stay a virgin until marriage, but I admitted I masturbated. He said, "Oh, I see. So, before you take a bath, you get a nice magazine, a bottle of red wine, and light a bunch of candles all around the bathtub, and have a nice romantic bath with yourself?":D