Continuity mistake: After dinner, Rafi and Lisa are in the kitchen putting away the food. Rafi puts the meat in a food container and Lisa closes it. After Rafi sits down the same container is open again.
Other mistake: In the scene after David has sold the paintings and is talking to his single friend Morris, who throws pies in the faces of women who won't go out with him on second dates, Morris is wearing a wedding ring. (01:17:20)