just did something that feels really wrong

i went to my friend maria's place last night. we started drinking and talking about our past hookups, old times together. she suggested playing a game where one person would act like their ex while the other acted like the new partner. it got way too real and heated. i ended up fingering her, telling her how sexy she was as this other guy's ex, all kinds of dirty words to get her off. now im alone in my room thinking about how wrong but good it felt. cant stop replaying it.