He offers expert advice on a wide range of areas, from ejaculatory trouble to penis lengthening; from erectile dysfunction to trans-sexuality; from libido mismatches between partners to post-heart-attack-sex. You learn, for example, that chocolate, honey, ice-cream, oatmeal and eggs are all certified sex-enhancers. And that there’s a condition called sex addiction, where the patient is as dependent on sex as an alcoholic is on booze. Or that 63 per cent of men and 30 per cent of women in the 80-100-year age group continue to have sex. Or that cholesterol, despite its nasty reputation, is the basis of all sex hormones, and a low-cholesterol diet affects your sex drive. Or that the longest human penis recorded was 18 inches long, but that long penises suffer from major mechanical problems. And, finally, that overly acrobatic sex could possibly result in—ouch!—a fracture of the penis.