DH took early retirement at 58, I wasn't sure how I felt about it at the time. Four years later, he's a lot happier and why wouldn't I want that for him.
I became a SAHM for five years, worked part-time after that so I pretty much did all the household chores, school stuff, anything in garden/house I could physically do, so when he came home we had more relaxed quality time together.
Moving forward, I still do a lot of those chores, but he does more cooking, ironing, food shopping, has taken pretty much all gardening on (except I like and do pots) and he's done some painting. It sounds like you don't trust your DH to want to help out a bit more. DD has left home now, but believe me teenage years are equally demanding, late night lifts, emergency appointments, trips to sixth forms/unis in future.
Even better, I left one of my jobs last year, just left the other one at 59. Money is half what it was, but we can pay the bills. We've got more time for hobbies, friends and are free to go out more together. We enjoy pubs, drinks, a joint hobby and have a few mini breaks a year.
Everything is joint in this household, doesn't matter how it's funded as long as there is enough in joint funds - I bought more money in initially, had a small lump sum given to me, but then earned a lot less for years. We has brought full time wages in all our married life and an inheritance. I stand to receive a large inheritance in next few years, it's considered joint for joint purposes (donor knows that!).