Lena, 27, and Nic, 33, live in London. (Lena is originally from Russia.) They met at night-school where they were taking an advanced cooking class; Nic to further his career as as chef, and Lena because she loves to cook. They have been shagging since their first date, two years ago. "We have sex four or five times a week," said Lena. "Sometimes it's more than that. We think nothing of phoning each other at work (Lena works in a department store) to say that we're randy. So we hurry home from work and have quickie-sex right away to satisfy our urges. Sometimes we're in such a hurry that Nic doesn't even take off his pants, and I just pull off my knickers and we shag on the couch, on the carpet, or standing...