When David buys a raffle ticket in aid of Conservative funds, Labour supporter Amy is shocked and accuses him of selling out the socialist principles he embraced when they met. S3 E6: Cause Celebre
Party Night: When the hotel throws a party where the guests must adopt fancy dress and perform on stage, Amy dresses as a clown and turns David and Linda's romantic duet into a total farce.
The two couples go to see a bullfight to see El Macho in action - David is fascinated, but the fight doesn't live up to his expectations. S1 E2: El Macho
David is carried away by the throb of guitars, the drone of the cicadas, the scent of the bougainvillaea, and most of all by Linda. S1 E3: Praying Mantis
The couples join a coach trip to the mountains where David buys Linda a gypsy shawl she has admired - when Amy finds that she has lost her money, David sells his watch. S1 E4: Spanish Lace
David refuses to go with Amy to visit the ruins by saying that he already booked a court to play tennis with Linda; Robert still does not suspect, but Amy finally sees the evidence. S1 E6: Forty Love