In the last century it was argued that men are from Mars and women are from Venus - but things have moved on a long way since then. In this timely new approach to the debate, Tom Whipple travels far and wide - from a Home Counties swingers' party to a gay penguin sanctuary in Germany - and draws on the latest studies in behavioural science as well as fascinating explorations into anthropology to present a surprising tale of expectations and mismatches.

If you are currently single, this book is about your place in the dating market - your successes, your failures and what they mean. If you are in a relationship, it is about why you chose the person you are with, why they chose you - and the circumstances in which either of you might put it all at risk and stray.

In X and Why, Tom Whipple delves into the sexual subconscious to explain the inner workings of character and desire. It will change the way you see yourself and everyone around you.