World of the Serial Cheats

She knows her husband would be hurt if he found out but believes the affairs have a positive influence. She said: "I'm happier and less demanding. I get regular sex and a sense that I'm wanted and attractive."The idea that infidelity can help a marriage is echoed by others. Curiosity, boredom or loneliness are often what leads to the site, but once in a secret relationship, the flush of first lust seems to convince them it's worth risking family life for."I feel alive, it excites me," said Sarah, 45, amarried mother-of-three. She says she doesn't want to leave her husband, though she accepts he would probably divorce if he discovered her affair.Choosing self-gratification rather than working on relationship problems is a common theme. Emma, 51, has been married for 23 years and has two grown-up sons. She began an affair six years ago that ended after four and has since met several other men through the internet."Monogamy is not a belief I have any more, nor my marriage vows," she said."I felt taken for granted, neglected. We are friends, more like brother and sister than husband and wife."But I wouldn't end my marriage and, no, I don't feel guilty. I want to have my cake and eat it and enjoy every mouthful."