Were you the person bringing “energy” into this for the woman then later arguing that it doesn’t matter for the man? My husband works harder now that we have 9 kids than he did when we had 1. He needs his health and energy to provide for our family well and the obligations only increase with each addition to the family.
If they are all under 18 then yes thats the hardest part. After that, they start earning and can bring money into the house.
Children should be doing chores anyway from a young age. Especially the girls inside the house.