Confused!! Advice pls

Soooo. On Valentine’s Day I went out with a friend to cheer up because I’ve been so down about my break up with my ex boyfriend. I don’t know if we’re gonna get back together but it’s all I want tbh he is the love of my life. But he needs space for now. So while I was out with my friend we met some new people, a group of guys and two girls. Some of the guys were cute and I got chatting to them, and one of the girls was really friendly. A few of them added me on Facebook and since I got home from my night out the friendly girl, who is really pretty may I add, has been chatting to me. It turns out she’s actually a lesbian and she’s asked if I would be interested in going on a date.... now I have never considered myself bi or gay, I have kissed girls when I was younger but I would definitely say I’m heterosexual. But part of me really wants to go on the date to see if theres anything there. The girl is stunning and, like I said, she’s really lovely. I’ve only been talking to her since last night but it’s made me briefly forget about pining after my ex boyfriend.

I still am utterly in love with my ex but this has definitely thrown a spanner in the works.

What do you think I should do?