The problem with most hot girls is, they have high standards BEYOND just looks. That's just a prerequisite for them. They're still very picky (and shallow) apart from that. They also tend to have options everywhere, and so, don't place a lot of value on anyone. You're just another number to them, and can be replaced easily and instantly... People come and go, and they don't do a lot of chasing or giving (once they catch their target / get what they want). They also expect you to live up to THEIR standards, entertain them every step of the way, always be on-point, and blah blah. Many of them are players.
They can lose interest and deregulate you incredibly fast - simply because you're not exciting enough, or they found someone else right after you, or whatever nonsense. Their emotions tend to be very shallow and fleeting, as well. Infatuation is all they know (other than being dumb and annoying). Even if you're the best thing EVAR 5 minutes ago - you're nothing to them now.
They're like normal women on speed, insofar as **** that pisses you off and makes no sense. But they tend to have the world at their fingers, and can do "whatever they want". I wouldn't fret over them.
IME, they're most receptive when you don't show much interest, make them chase you, present a strong challenge, etc. Because they're used to (and unimpressed by) the opposite. They ESPECIALLY want what they can't have, and can't control. But you gotta kill it early on, and make them want more - then strike when the iron is hot. Since they're horny, dumb, and shallow - hot guy + challenge = sex.
Their high standards and merits for judging / qualifying men is quite the curse, because they're basically seeking after *******s. Never really met an exception, to be honest. "Charming", unpredictable bad boys and players tend to fare best with them. Boring, predictable, decent guys get FZ'd and rejected - regardless of how good looking they are. Been there.
I never met one that was worth anything, though. Just short-term fun. It's too much maintenance to keep their interest level satisfied... And that's just for attracting them over a period of time - without really getting close to them. Because, that's what they're all about - distance and chasing. Actually getting with one is Hell: Level 3.
"And you're a very sexy girl, who's very hard to please..."