Scientists have found that the size of somebody's lips plays a key role in determining whether they are sexually attractive to other people. Basically, the bigger the better - but, in a warning to those who are thinking about opting for surgical enhancement, it is possible for somebody to have lips that are too big.
And while men love a full pout on a women, the Mick Jaggers of this world are not necessarily on to a guaranteed winner with the opposite sex.