Ok opinions needed

So ok. I need advice on what to do. I get turned on by lesbian porn. I can’t watch anything else. I have a boyfriend but I have also been with a girl and It was great🥴 me and the girl still communicate and have hooked up plenty of times. But its another girl who has a boyfriend and we have have been talking about hooking up with each other. But like i don’t wanna betray my boyfriend but I realllly want this girl and she wants me too🥴