arguments against meat eaters

I just recently read up on the Whole Foods vegan diet and I fell in love with it. My boyfriend, is stubborn. I never asked him to begin this journey with me. I simply decline when he offers me “normal” food. But tonight we had a HUGE argument, after he told me I starve myself! (Who’s he...

I feel like in every discussion i have with a meat eater i can always beat their arguments with facts, but when i say we are biologically meant to eat plants they always say that eating meat was an important and natural step in our evolution and made our brains grow etc... I can never argue back...