Help me I’m about to die

So I had my first boyfriend let’s call him A and we were going so well until 3 days before a big dance for my BEST FRIEND it cut deep but then at the dance he asked my other BEST FRIEND out she said no I am still an emotional wreck and I don’t know if I still like men anymore but all my friends think I still do I need help and support and advice but then a few weeks later ( on Friday) I decided that I’m going to go on a fake date with a fake girl that my dad said I would like he totally fell for it and would not stop staring at me for the rest of art class I think he still likes me but I don’t know if I like him help me!!! He was the first person that I could fully open up to ( I had real shitty girlfriends in the past) and my period is making it a whole lot worse