The Brothers & Sisters star, 28, is single, but not for long if he gets to break in his favorite pick-up line (which he swears he's never used). "So let's say you and I are at a club, and I go up to you and say, 'Excuse me, how much do you think a polar bear weighs?' And you would say, 'I don’t know,' and I'd say, 'Let's just say it's enough to break the ice. I'm Dave, how are you?' "