text: It is n't until one night at a club , at the end of the episode `` Tony '' , Tony confronts Michelle and Sid in the bathroom stall during sex .
simplified: She returns to her normal self and tries to get back with Tony , but Tony is completely different now , and can not have sex . Michelle invites Tony on her birthday camping trip , but Tony says no , and on the camping trip Michelle has sex with Sid and the two become involved .