I don't really get this. Until I re-read this, I thought the point was that you need more time than your wife will let you get. But you can outsource these chores simply by hiring help. That will provide jobs to others and it's clear in your comments that you can afford it, particularly if you earn more from work done in the time you save.
Regarding selfishness, it's good to do chores, sure. Dutiful. But the kids you care for are not much mentioned. You may matter more to them together-as-a-couple than you have predicted. So perhaps you are not selfish but detached - from their emotions, and from yours.
Just a guess, I don't know you, but are you perhaps too much Apollo and too little Dionysus? https://en.wikipedia.org/wiki/Apollonian_and_Dionysian
Because that might also be also leading to a passion-free partnership. Plus, if the problem is too much Apollo, your solution is going to add more of that, and worsen the problem.
Regarding selfishness, it's good to do chores, sure. Dutiful. But the kids you care for are not much mentioned. You may matter more to them together-as-a-couple than you have predicted. So perhaps you are not selfish but detached - from their emotions, and from yours. Just a guess, I don't know you, but are you perhaps too much Apollo and too little Dionysus? https://en.wikipedia.org/wiki/Apollonian_and_Dionysian
Because that might also be also leading to a passion-free partnership. Plus, if the problem is too much Apollo, your solution is going to add more of that, and worsen the problem.