We talk about "sex games" and it sounds so jolly, but arguments about just what sexual behaviour is and isn't OK cast a big cloud over some couples' lives together, as reported The Sun.

In general, I would say that no form of sharing physical pleasure and satisfaction is wrong between a loving couple, as long as you are both joining in willingly and with genuine enjoyment, and as long as neither of you is being hurt, either physically or emotionally, says The Sun.