How to Think More About Sex (The School of Life)

Sexiness, it appears, is not in the eye of the beholder: in one study, 97 per cent of respondents were keener to sleep with the (more symmetrical) woman on the right.

In the picture on the right, the man’s face has the optimal amount of fat in relation to his height and weight; in the picture on the left, the same face has an excess of fat. What we call ‘sexiness’ is synonymous with what biologists term ‘health’.