We all enjoy a really good kiss, but did you know that locking lips with someone makes you live longer, helps prevent tooth decay and burns calories?
Apart from the obvious bacteria swapping and reducing stress levels, it turns out there is plenty more to know about a good snog with your partner, lover, or whoever else you happen to be swapping saliva with.
Author David Wolfe has produced a video on the 11 thinks you never knew about kissing, and these are the surprising facts, captured UK’s The Sun.
1. It increases life expectancy
Men who kiss their wives in the morning live five years longer than men who don’t.