Boyfriend won't let me breastfeed

Angelique

So I had twin girls two years ago and couldn't breastfeed because my supply dried up while they were in the nicu for two months but no I'm pregnant with baby #3 and my boyfriend said I can't breastfeed the baby in public because that makes me a slut n he said he will break up with me because I wanna show my boobs to the world I don't get it what's the big issue!? Someone plz let me kno