Men who spend big money wining and dining their dates are not frittering away hard-earned cash. According to a pair of UK researchers, they are merely employing the best strategy for getting the girl without being taken for granted. Using mathematical modelling, Peter Sozou and Robert Seymour at University College London, UK, found that wooing girls with costly, but essentially worthless gifts – such as theatre tickets or expensive dinners out – is a winning courtship strategy for both sexes. Females can assess how serious or committed a male plans to be and males can ensure they are not just...