i’m scared of my boyfriend because he’s dry and doesn’t want to initiate a relationship, should i break up because of the latter part?

my bf is poly and already has a bf, so he doesn’t want to initiate anything with me. he doesn’t wanna call nor hang out, and he always texts very dry. he’s nice, but i don’t feel loved.

I’m not doing well mentally though. my gf already ignores me (she and i are poly too) and i feel like i will die if he breaks up (though i clearly won’t die)