INDEPENDENT.CO.UK - Oct 13 - Ashley Madison, an extramarital affairs dating site, asked its users why they cheat. 27% of men admitted that they would approach a friend or co-worker if they were unhappy in their current setup. Similarly, 15% of women admitted that a co-worker would be their go-to for an affair while 17% said they fantasise about having a fling with their boss. The truth is, if your partner is going to have an affair, it's likely to be with someone they already know. While satisfying sex was the main motivator, others confessed that their illicit behaviour was an attempt to be happier in the marriage, rather than to damage it.