Situationship with myself

dated this guy(same age) for almost two years…but I broke up with him because my mother always made me believe throughout my life that high school is where I explore many relationships whatsoever…and that made me go crazy because the logic I grew up with and the reality didn’t…match..

anyways, we broke up 3-4 months ago.

Currently, I’m in a limerence phase(not sexually though) with a guy in one of my classes. Limerance is when you find a sort of obsession with somebody and you think it’s love…but most of the time it isn’t. But I think it’s love in my case. His smile is so adorable, I spent time with him one on one and he even hugged me out of the blue…Maybe it is limerence, maybe it’s love. I don’t know.

The problem is, my crush is getting really out of hand. I CANNOT focus on my homework or study because I can’t stop thinking about him. I want to confess and get it over with(it’s so obvious he doesn’t feel the same so I want to get rejected asap to get back on with my life but the only reason I haven’t til now is because many people are saying he’s socially awkward and looks uncomfortable but isn’t so my hopes rise up).

The other problem is I can’t because me and my ex are still in touch, and I love him too…we’re kinda like friends with benefits minus the sexual part(so we just cuddle and stuff and he even kissed me on the forehead recently…which…idk what to feel about it) I’m not in poly, but I love two people at the same time. What should I do?