Chelsea is very shocked when she borrows Charlie's phone and discovers some nude pictures on there. Good old Berta is always there for support... or to laugh at his misfortune.
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Charlie and Chelsea watch a game of basketball and discuss Chelsea going to her ex-mother-in-law's funeral and spending the night with her ex-husband. Enter the jealousy!
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Charlie lays in bed with Chelsea as she's crying about the state of their relationship. Apparently she doesn't enjoy staying in every night watching tv and eating Chinese food.
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Two and a Half Men Quotes

Charlie: Oh, try MalibuPuddingGirls.com.
Alan: Pudding Girls?
Charlie: Trust me.
Alan: Oh ... ew.

Chelsea: I just think it's ridiculous that we're engaged and we're not living together
Charlie: Well excuse me for being old fashioned. I'm just not comfortable with us living in sin
Chelsea: So you think we should stop having sex?
Charlie: No no, it's not the sin I object to, it's the living in it