Uncomfortable

So I’ve been struggling with my sexuality... I’ve been “straight” my whole life and have only dated guys.. but I’ve always fantasized about girls.. well I finally realized I actually am attracted to women and could totally see myself marrying a girl one day... I have no idea what to identify as. Lately, I’ve only been talking to girls, talking to guys disgusts me kinda. So tonight I decided to have sex with a guy, I’m super close with him and we’ve had sex multiple times before. We’re super comfortable with each other. Anyway, during sex, I felt disgusted and uncomfortable. And all I could think about is girls and how wrong it felt having sex with a guy. Does this mean I’m fully lesbian? I’m sorry if this is all over the place, I just can’t wrap my head around it and my mind is going everywhere.