A Courteous Pick-up Line

Guy's in a bar waiting to pick-up an evening's entertainment when this reasonably hot lady sits on the stool next to him.

He doesn't say anything to her, and after about 20 minutes, she says to him ... "OK - I've got to ask you a question".

He says, "Sure - what?"

She says: "During the past 20 minutes, you've stroked your mustache away from your upper lip at least ten times and each time you've done it, you've tried to catch my eye. What exactly are you trying to say with that move?"

He says, "I'm not trying to say anything ... I'm just clearing off a place for you to sit ...".