Oops, I take it that was the slutty intern you cheated on Addis...
NANCY: "Oops, I take it that was the slutty intern you cheated on Addison with?"
DEREK: "She's not slutty. What are you doing here?"
NANCY: "You bailed on Thanksgiving and Christmas and you live in a trailer and you're getting a divorce and then there's the slutty intern."
DEREK: "I really don't like you."
NANCY: "You love me."