I slept with my best friend
So basically, I knew this girl from school. She was 3 years older than me (I'm now 18 and she's 21), and we absolutely despised each other. Somehow we ended up talking again and I realized she was actually a really nice girl. I ended up splitting up with my girlfriend so she invited me to go and stay the night with her and have a couple drinks. We ended up going out into the bars and when we got back to hers we were kissing. Then she went down on me. The next morning we agreed that it wouldn't happen again and that we should just stay only friends.
A couple days ago I invited her to come to my house for a get together with me and my friends. We got really drunk and slept together again... 3 times. We were scissoring which I vowed not to do because it's too intimate for casual sex (for me anyway). The next day we spoke properly about it and agreed that it was the last time. She's bi and I'm a lesbian, she says she prefers males but then told me that us sleeping together started making her confused about her feelings. What does that even mean?!
And now I've realized that in a way, I don't regret it and I think I really, really like her. What do I do? I don't want to ruin the friendship and a relationship wouldn't work because of the distance and circumstances we're in. Should I tell her how I feel? Or leave it be?