Sussex pond pudding is a pudding with a whole lemon in it. As for the quizzes, the ship is full of quizzers. One team seems to win the Syndicate Quiz almost daily. Also, they’ve stopped giving out wine for the 9:30 Quiz.

What is Sussex Pond Pudding?

Going to be an expensive cruise if you don't win some wine1

Sounds like you need to get the old grey matter working on the quizzes - or is senility setting in?!