 He is happy with the situation but she loses her confidence and becomes jealous of Phil's former wife, Kathy Mitchell (Gillian Taylforth) and son Ben (Morgan Whittle), hiding letters and a video from them.This irritates Phil and he has sex with Mel when she is upset, following a fight with Lisa on Christmas Day.Regretting this, Mel agrees not to tell Lisa but does when Lisa says she intends to get pregnant again.