My mom, dad and brother (SIL is yet to join the mix as my brother is unmarried now) all work and we have a full time housekeeper who comes at 7 and leaves at 7. She makes coffee,cooks 3 meals, washes vessel, clothes, cleans the house and pretty much runs the household. Mom buys the grocery and provision every week and stocks the kitchen. Nobody really moves a muscle at home and they all concentrate on their jobs only and at night spend time chatting and watching tv. The maid lives near our home and is hardworking but some quirks but she is a life saver. When she takes a day off, mom makes meals and washes vessels. I think this setup should work for you. Girls these days can be really hardworking at their job but when it comes to home, they want to just relax. Your mom is just being the naive one here. Tell her to put a full time servant and relax. Thats the only solution i can think of in your scenario.