Rose and Charlie continue their affair during the Two and a Half Men episode, "Three Hookers and a Philly Cheesesteak."
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Two and a Half Men Season 8 Episode 15 Quotes

Alan: You have five grand in your sweatpants?
Charlie: I prefer to think of it as "three hookers and a Philly cheesesteak."

Alan: How much is this going to cost me?
Charlie: The question is, "how much is this going to earn you?"
Alan: I'll stick with my question.