A new study suggests that just getting married would be motivation enough to to shed those extra pounds. The rule, however, only seems to apply to women.
According to a poll of 3,000 married women, more than half of brides lose 1st 2lb in the run-up to their wedding.
And one in 10 brides-to-be slims down by 2st or more, the study found.
The research also showed that another one in 10 deliberately orders a wedding dress in a smaller size, hoping to be able to diet into it.
"Brides want to make sure they look their best," the Daily Express quoted a spokesman for Appesat appetite suppressants, which commissioned the survey, as saying.
"They know the photos will be around for years to remind them how they looked," he added.