George McFly: I've never picked a fight in my entire life.Marty McFly: Look, you're not gonna be picking a fight, Dad... Dad-Dad-Daddy-O.
Look, Marvin, you gotta play. See, that's where they kiss for the first time on the dance floor. And if there's no music, they can't dance. If they can't dance, they can't kiss. If they can't kiss they can't fall in love, and I'm history.
Great Scott!
Jesus, George, it was a wonder I was even born.