Been there, done that!
Women are biologically programmed to be irrational and illogical about procreation. I mean who in their right mind would
want to go through pregnancy and child birth. But without that female erge we'd be extinct as a specise. It just plays hobb with relationships when that biological alarm goes off in them. It killed my first mariage. She was doing everything she could think of the get pregnant. Most of it behind my back, when we were in no way ready financialy, emotionally, or housing wise. It got to the point I didn't want to go home or even get near her. And of course that didn't make anything better. My hard earned advice....GET COUNCELING!
She will never listen to your logic. You have a small chance that she will listen to a disinterested third party. It's that or just give in and act like you want it too. Because you're dealing with an insanity you never really understand.
Funny what brake fluid can lead to. Or the lack there of.....