Repetitive anal sex may weaken the anal sphincter, making it difficult to hold in feces until you can get to the toilet. Yup, anal sex. Chances are, more people than you imagine are engaging in butt play, including many heterosexual couples. Jangan berhenti merangsang zakar suami anda dan juga imaginasi suami anda lagi banyak aliran darah ke zakar, semakin besar dan panjang zakar itu.