Can't belive i let my roomates bf do that

So this is kinda fkd up but i been feelin guilty n turned on at the same time lol... my roomie went outta town for a few days and her bf was over to grab sum of his stuff and we started talkin in the kitchin idk what got into me but i was wearin just a big tshirt and no bra or nothin and i def caught him starin few times... he was bout to leave but then he just came up behind me n whispered i looked good like that i shoulda stopped it but i didnt we ended up makin out against the counter and like 10 mins later i was bent over the couch he was sayin all this dirty shit like he's thought bout it for weeks afterwards he just zipped up and left like nothin happned and now idk wtf to do like i cant tell her but i want it again so bad