Experts have long said that the two biggest issues in a marriage are money and sex; and although in traditional vows, the bride and groom cover off the money side of things with ‘for richer or poorer’, the issue of sex stays firmly under the covers. Enter sex contracts. These nifty little documents are drawn up by husbands and wives to outline the minimum amount of sex they have per week. My first thought was –isn’t this taking out all the romance? However, relationship experts swear by them. Yo