Simon’s terrified his sex life is deteriorating when he and Maggie go for a few days without any action, and he feels intimidated when he finds out she’s had sex in all sorts of interesting places.

The students lock Simon and Jenny in the stationery cupboard, where sexual tension gets the better of them. Spurred on by guilt, Simon moves in with Maggie and they throw a housewarming party.

It’s open evening, and Susan’s husband turns up angrily demanding she accompany him to his work dinner. When she storms off, everyone thinks she’s had some kind of nervous breakdown.