`Couples kiss most between 1st and 2nd anniversaries

London: If you are a newly married couple, here`s some food for thought: a study has found couples kiss the most -- 31 times a week -- between their first and second anniversaries.

According to the study, lovers typically kiss 21 times a week. But the actual number varies as the relationship evolves, the Daily Express reported.

In the first six months, couples kiss 25 times a week, reaching 31 in their second year, falling to 19 after five years.

One in 20 British adults never kisses his or her other half, the Heathrow airport study found.