sexology in psychology!!!

Tweet

today i heard this sentence from ma friend, he told me that he had a seminar in this topic which was so exciting and he wanted me to know all those things as he says this is a great knowledge by which you can change your life , your visions about life, ...and more important is that you will be having much more knowledge... please tell me what exactly he wanted me yo know about?? is there anyone who knows much in this topic?? pls respond to this...