I know one thing, which is common for both sexes. You want the most what you can not have
So playing yourself unreachable is a good way, but only if he already has some interest in you. And he can be playing it the same way, if he thinks, you have some interest in him. Especially if he is surrounded by other ladies
Maybe one poker theorem too
Winning player is an opposite of loosing player. So if you want to win, play opposite of the others (who are loosing).
Here it should mean probably: be special, something new, interesting.