Smoking certainly isn't good, but it also isn't some super-poison like some people like to pretend. Nearly half of US smoked in the 40s and 50s and they had no problem having tons of kids.

> but it also isn't some super-poison like some people like to pretend

My mom's dead from lung cancer, and my dad is basically on palliative care. He's a barely walking billboard for "smoking is bad for you".