Pickup lines...

Why do men need pickup lines? And how well do they work? I was introduced to the house hunk on a blind date so he didn't have to try out his repertoire, but I have to admit I've never been impressed by the lines I've seen in movies.So how is a guy--or girl--supposed to develop that quick introduction that captures the target's attention? And why does it have to be clever? Why not just "Hello, I'm