just can't contain himself in the first clip from Don Jon
. The way Danza, playing the main character's dad, reacts to Scarlett Johansson
gives us some idea where Jon gets his attitudes about sex and love from. Take a look: Don Jon Clip Joseph Gordon-Levitt plays Jon Martello, Jr. in the new comedy, which he also wrote and directed. Jon has an insatiable porn addiction, but when he meets two special ladies, he begins to rethink ...