Alice is challenged (perhaps in addition to Bob looking after the house) to go to his work for the day.
Bob does Alice's housework for the day and finds out it's as easy as (or even easier than) he thought.
Gender Inverted: Bob the House Husband challenges Alice the Career Woman to take care of the house; Alice learns that homemaking is every bit as much real work as her job is.
Bob seems to be managing the house alright while Alice is gone.
Bob falls in love with homemaking and resigns from his job.
Double Subverted: But then the baby starts crying, and the roast burns in the oven, and chaos generally breaks loose.
Parodied: The house is in shambles as soon as Alice walks out the door.
Zig Zagged: Bob seems to be managing the house alright while Alice is gone. But then the baby starts crying... and he quiets her down pretty quickly. Then the roast burns in the oven... but it's alright, he burned it on purpose for a family recipe. But wait, the family recipe tastes nasty.
Bob manages to hold down the house while Alice is gone.