The Dummy Twins

Fran coaches Niles in his unappreciated courtship of C.C. It doesn't go well and when C.C. doesn't let up on holding Niles proposal(s) over his head and he quits the Sheffield's but not before calling C.C. pathetic and lonely, which leads to C.C. quitting her partnership with Max. Later Fran and Max find both Niles and C.C. in bed together.