George is anxious to get out of his impending marriage to Susan. Kramer suggests that he ask for a prenuptial agreement, knowing it will signal Susan that George isn't committed to the idea of marriage and pushing her to back out. But in order for George's action to be credible, going without a prenup must cost him something. Susan knows this and willingly signs, saying, "Prenup? I make more money than you do! Sure, I'll sign!"
Charlie explains the Heisenberg Uncertainty Principle to the team. After interfering with the bank robbers plans after Charlie uses his algorithm to predict their next move, Charlie has to explain that because they interfered with the latest robbery, they've introduced new variables or changed the strategy of the bank robbers