Here’s how long it would take to burn off the calories from your favourite fast food snacks – by having sex

GETTING steamy between the sheets could replace sweaty session in a gym as the best way to burn off excess calories.

Recent research revealed couples lose an average of 162 cal between them for every ten minutes having sex.

But with a portion of fish and chips containing 861 cal – a whopping 1,722 cal for two people – it would take one hour and 46 minutes of nookie for both people to melt away that meal.

Leo Roberts reveals exactly how much sexercise a couple needs to work off two portions of Britain’s favourite grub . . .