So we "know" that, in general, when girls are attracted to a guy, they will point a foot at them maybe, they will smile at them, they will keep a conversation going, they will give long answers to questions, they will point their shoulders at the guy, their pupils will dilate (kill me, but I don't know how I'm supposed to watch for the radius of a girl's pupils expanding by 1mm while trying to listen to her at the same time, but anyways), they will play with their hair, etc. So there's a girl that gives me most of these signs. But my problem is, how do I know she doesn't just see me as a friend? Wouldn't she do all these things when she's talking to her girlfriends? I mean, what, is she going to cross her elbows, be unresponsive, and not smile at a friend? Is there specific body language for attraction? Maybe touching? She hasn't really done that, but she is also very shy, so you know how that can go...