Being into females when in a relationship with a guy

Ambria • 21 👑 Taken 🔐💙 Snapchat: a_mugga215 👻

So I think I’m still bi but I’m not really sure, but is it “cheating” if I was to flirt with another female or do things with them while in a relationship with a man? My boyfriend said he’d be okay with it and he doesn’t think it’s cheating but I do?...😩🤔