### Human:\nwhen should a man use a condom?\n\n### Assistant: a man should wear a condom any time he inserts his penis into the body of another person if there is even the slightest risk that either person has a sexually transmitted disease. men frequently become infected with stds when receiving oral sex so a condom should be worn then too. the condom should be put on before there is any contact and should be removed and thrown away promptly after the man has ejaculated.