the reason i ask is because i think i'm adnormal about how easily arroused i get. basically, just kissing, making out with my wife, give me an instant erection. my penis is either very small, or totally engorged, there no inbetween, it takes seconds for a full on erection. another thing is reguarless if it's masterbating, oral, intercourse, i DO NOT pre-cum what so ever. also if there's foreplay, i'm only lasting a couple minutes once we start, if there's not, about 5 maybe, if that. the big reason is she likes doggie and that's what we do alot, that rubs me in a way that i cannot control myself lol. anyway the lasting part isn't what i think i'm weird about, it's the erection and pre-cum thing... any insite?