A couple of weeks before we moved in together Dp's mam sat us down and said to me. I brought my children up to be able to anything from changing a tap, cooking a meal and doing the ironing. Here's a list of everything that needs doing to run a house, now split the list 50/50 between you.
I was 19 at the time, so I wasn't shocked at being told what to do by an 'Adult' but the adult me, now thinks 
wow, that was seriously bossy, but thank you!
Dp works nights and I work days, he cooks every meal and washes up, I tidy, hoover and dust. He strips and washes and remakes our bed, I do the children's. I do the washing and get it dry and sort it in to piles, he irons it, I put it away. All our bills are paid dd, and 1 friday in 4, one of us will get our monthly spends out (food, petrol, diner money etc) out and we split it into 4 jam jars, (dp gets paid 4 weekly, my wages pay the bills) We do the gardening together, I do the food shop (on the way home from work) but he writes the list, as he cooks the meals. I do the bins. We regularly have days where I get in from work and he says, I need your help, we need to do w,x,y,z before we can sit down, which do you want to do, and we split it 50/50. Our kids are older now, So I see ds of to school in his taxi (ds is disabled), and he waits in for him to be brought home. But when they were little, I still worked full time, but more middle of the day, so dp could sleep then look after them while I worked and vise versa. It was much harder work then because of ds disabilities and lack of sleep. School Holidays are a problem, now dd is 16, and isn't there to help with child minding. Again tho, we split our holidays entitlements down the middle, we share one week of and the other weeks we try to cover as many school holidays as possible between us, so we pay as little child care as possible.
My FIL is a lazy pig, my MIL has since informed me, that she wasn't prepared for someone to think that about a child she had raised, thats why she did what she did. Once again Thank You MIL