It kinda makes sense.... after birth a woman could be recouping and 'vulnerable', in cavemen days, so maybe the pheremones are to make men who might have nefari

It kinda makes sense.... after birth a woman could be recouping and 'vulnerable', in cavemen days, so maybe the pheremones are to make men who might have nefarious notions back off, and women stand up like a bear on all fours when someone tries to be shitty to them, but to also protect their baby. Probably has a role w/ post-partum depression too, I'd imagine.