A: Well some guys do that to get a girls' attention, and some guys do it to be flat out obnoxious. You might want to ask your friend what kind of impression she's getting off of him.
A: Well I'm sure they'd look great, but make sure you're comfortable with them before you start wearing them. They're are a pretty extreme fashion though.
A: I voted basketball because I'm a basketball player, and it would make me more comfortable to be able to talk to someone about my favorite sport on a first date.
A: Just give them the cold shoulder. Do not contribute much to the conversation, but at the same time, try not to seem really rude. Let them know why you're there.
A: Well I mean, it is possible, although I'm not saying it's probable. Maybe "ugly" guys find you less intimidating, and some really good looking guys are more interested in getting someone they can't have.