Caught off guard, they have a trapped expression.

As one fiancé said, just before his wedding: “I feel as though I’m going into hospital for a major operation and all the anaesthetists are on strike.”

On their desks they have photographs of their fiancées given them by their fiancées, looking mistily soppy in pearls.

BACHELORS

Bachelors begin at thirty-six. Up till this age they are regarded as single men. Most of them are very tidy, smell of mothballs, and have an obsessional old maid’s fix about one of their ashtrays being moved an inch to the right. Because they are not married, or living with a woman, they don’t feel the need to bath very often. Occasionally they have a shower after cricket and pinch their married friends’ towels. They can be recognised by their white underpants. (Married men have pale blue or pink-streaked underpants, because one of their wife’s scarves has run in the washing machine.)

Bachelors dread Christmas because they’ve got so many god-children to remember, and have a very high threshold of boredom through enduring so many grisly evenings with awful girls thrust on them by their married friends.

By way of revenge, they spend a great deal of time sponging off their married friends, turning up for lunch on Sunday and not leaving until the Epilogue, and knocking their disgusting pipes out on the carpet so that they get a chance to look up the wife’s skirt when she bends over to sweep up the mess.

They also get wildly irritated by their friends’ children, cast venomous glances at a two-year-old, and say: “Isn’t it time he went to prep school?”

A married man often rings up his bachelor friend and after a lot of humming and hawing asks if he can borrow the flat to ‘change in’ that afternoon. When the bachelor gets home in the evening, he often finds various bits of female underclothing, and his bed has been far more tidily made than he left it that morning.