This year for Valentine's Day my partner gave me a vintage edition of The Perfumed Garden, known as the Arabian Kama Sutra, which was first published penis enlargement surgery cost in usa the 15th century. It contains precise, hilarious instructions about how to please a woman. I was thrilled: I'm 53 and he is 49 and sex is better than it's ever been.

I didn't expect it to be like this at my age. I thought my sexual prime would be when I was at my most sexy, which is certainly not when I look in the mirror now. But it's not how we look, it's how we feel, and at this point in time I feel strong, uncompromising - and up for it. I'm not alone: looking around, the culture seems to be positively vibrating with middle-aged women having the sex of their lives. On screen, Nicole Kidman, 57, seduces anything that moves, the latest Bridget Jones movie sees her have two younger men on the go, and Miranda July's latest novel All Fours has been passed round midlife book clubs more times than the school gigolo.