It's the simplest and the most popular positions couples enjoy in sex - the missionary.
According to a survey by UKDating.com, 60 per cent of UK couples end up having sex in the missionary position.
Counting foreplay, the usual romp lasts a little over 20 minutes.
'Doggy-style' and 'woman on top' are other hot favourites.
But their session will nearly always finish up in the missionary position.
"Brits stick with positions they are comfortable in and know work," The Daily Star quoted Nicola Clowes, of UKDating.com, as saying.