In fact, he loves the children of this family, because children are the crystallization of your love, and you should not take them away at this point. I don't care about you and I don't do housework. In fact, raising children is the most troublesome and annoying housework. Especially the new mother. There are many maladjustments in the care of children. Not skilled. Children are anxious when they are slightly unwell.
So you should pay more attention to your wife. Share more housework. It's that it's easy for him to take care of the children, during this period.