what even happened??

i visited a very close friend at uni over the weekend. i had so much alcohol i’m surprised i’m not dead. (besides the point lol) one thing lead to the next and we hooked up. we talked about it and came to the agreement of fwb but i still don’t know how i feel about it. i think he might have feelings because he was a bit off when i said this was only for fun, not the starting of a relationship. any advice ladies? (or guys??)