DP and I are beginning Fair Play by Eve Rodsky. We both recently realised it’s not that he doesn’t pull his weight, it’s that we’re both dividing everything between us in an inefficient manner. So if we’re both responsible for laundry, dishwasher, meal planning, shopping, cleaning, drop off, pick up, nursery admin, school transition, activities, bills, renewals, car, pet, birthdays, Christmas, recycling, home renovation, meter readings, budgets, MOT, on and on, then simultaneously neither of us are and things slip through the cracks – I thought you were doing it! – and we’re both carrying the mental load of it all.
There are some things we each naturally prefer and do solely – calendar and scheduling for me, IT and tech for him, gardening for me, bizarrely getting petrol for him – and those are much more efficient and require less mental load and less endless fucking discussion, because we just do them. There are some things neither of us want to do – the baby’s night wakings or 5am starts occasionally, so we split those alternating, and that’s better too, less resentment and one of us sleeps. So we’re working on splitting the rest so we each take sole ownership of something so we can stop the relentless background noise of what needs to be done. Luckily we have two children, so we can assign ourselves one each and do all their admin/activities/appointments!
I do think OP has one thing right which is to stop doing certain things, and Fair Play is good on that too: together you define what you value. If you decide sending Christmas cards to family is something you value, one of you gets that chore but it’s balanced out by another person getting a different chore. Personally I’d rather take that load off us all – what a waste of paper and energy, human and industrial! – we’re choosing not to get a pet or a third child because it’s too onerous, limit the kids’ sports and clubs and activities to what’s manageable, never moving house again even though we can afford it and would like a different house but I value my time more than the new house, refuse to volunteer for the PTA because I know my limits, donate the kids’ old stuff rather than painstakingly ebaying bundles, etc.