When Chelsea mentions her longstanding back pain, Alan suggests that she get breast reduction surgery to solve the problem. Charlie feigns support for his fiancee but in reality he is infuriated by the thought of losing these body parts he so adores. After Charlie kicks Alan out of the house for his unwanted advice to Chelsea, Alan moves in to his mother's house and the two spend some quality time together. Charlie tries to play it cool with Chelsea about her impending surgery but when the surgery gets bumped up, Charlie breaks down. Meanwhile, Evelyn has been pampering Alan but later reveals that the large amount of quality time was really a ploy to keep him away. In the plastic surgeon's office, Charlie mentions that with smaller boobs, Chelsea's butt will command more attention -- this revelation completely changes Chelsea's mind about a breast reduction. Charlie is ecstatic, his prayers have been answered.