Yoo
Eel eh?
Stop using that... Firstly there is a ongoing debate and there are two opinions of her age 1: She was 40 2: 28, + stop comparing yourself to Khadija RA. The prophet pbuh also married young womenThe Prophet, the best of ALL men, married Khadija who was in her 40's. Any man who calls a human being "expired", needs to learn the deen.
Secondly, you may all be blessed with daughters and then you will change your tune.
You will want your baby to be educated, strong, confident and not to be tied up at home breeding babies for a subpar man.
Highly educated women raise educated children, you want an ignorant woman around your children? Good luck.