The Sex Guide for the Modern Man. One of the most recognisable names in porn, Adam Glasser - aka Seymore Butts - has slept with more than 600 women, on and off camera. He has now written the ultimate sex guide for the modern man. 'Rock Her World' features three sections - About You, About Her and About Sex - that cover everything a man needs to know, including how to keep your equipment in top shape, 'sexercises' for improved performance, the truth about erectile dysfunction and other fundamental topics, including cheating and online dating.