Professional sexperts Emma Taylor and Lorelei Sharkey show the nation how to have better sex, shed inhibitions and broaden their sexual horizons. This week's hot topic is anal sex. Historically taboo and possessed of the ability to strike fear into the hearts of both guys and gals, backdoor loving can be pleasurable when practised properly, say Em and Lo. While Georgie and Dougie meet sex educator Midori, lubricant expert Megan Roberts explains the benefits of using water-based and silicone-based lube. Meanwhile, erotic explorers Victor and Tiffany experiment in the bedroom.