TheFifthMan, I cannot tell if you are joking or not.
Do you seriously think you can tell if you'd be compatible with someone by how well you can dance with them? You do know that the ability to dance has practically zero correlation with the ability to have a good relationship, right? If your partner is a good dancer, you have a good dancing experience. If they aren't, you don't. Their personality, preferences, etc. are never revealed.
But of course, if the most important thing for you is that your date is a good dancer, then that's a perfectly fine way of finding the perfect girl.
And about people yelling at BlackWaltz: I don't think he's had a bad experience. The reason he said what he did is that's what you're supposed to think that when you're trying to have sex with a girl (not that I agree with it).
You see, you're supposed to think about girls hanging around bars, flirting with guys so that they buy them drinks, and not having sex with the guys. In other words, taking advantage of the guys, because the guys buy the girls drinks but don't get anything in return.
Now, as a guy, you're supposed to be a total jerk in a situation. For example, if a girl asks you to buy a drink, you say, "Will you go home with me tonight?" And when they get mad, you point out how they're trying to get you to buy them a drink, and they're not giving anything in return. It turns out that this system actually works (for the guys).
Or something like that. I haven't actually read the books--I got this information from reading a sort of autobiography by a Nobel Prize-winning physicist.
So, BlackWaltz is generalizing a very specific type of girl: the type that flirts with guys to get stuff, but never pays for it with sex. And I'd have to agree with him that that's pretty mean of the girls to do, because the guys are buying them drinks in the hopes of having sex with them. I'd also have to agree that, as surprising as this sounds, when the guy acts like a jerk, it really works.
But that generalization does not apply at all to other women. Most women don't hang around bars flirting.
Correct me if I'm wrong, BlackWaltz.