Hi, may I anhello Dr hoffman,with shame i have to say i had sex with a boy 4 years ago i am 17 now, he just insert his penis in my anal for couple of second but didn t ejaculate he was 12, he said he did this kind of stuff with others but they didnt had any kind of STD. so after 4 years i am worried now, can i get STD? please help i know i made mistake but i didnt all this. please helpswer your health queries right now ? Please type your query here...