From cleaning the house to eating from the ‘testicle tree,’ 15 tips for great sex all backed up by science [Video]

TODAY marks international sex day – always celebrated in the 6th month and on the 9th day in homage to the saucy love-making position.

Experts believe this is the time our libidos spring back to life as the sun comes out, giving a much-needed boost to our senses after the winter months, when low levels of vitamin D mean we crave sleep, TV and comfort food over hanky panky.

As sexpert Kate Taylor tells The Sun on Sunday: “This year’s dreary spring hasn’t helped us feel lusty.

“But tonight marks the official beginning of summer loving.

“You’ll naturally start to feel more passionate as we finally swap winter woollies for skimpy summer clothes, socialise more during the long evenings – and go to bed starkers.”

Here are 15 new rules of great sex, all backed up by science . . …