You should know the context before saying "nothing". The reason most laws like these exist, is because it used to be more normal to have a stay-at-home-mom, and

You should know the context before saying "nothing". The reason most laws like these exist, is because it used to be more normal to have a stay-at-home-mom, and the male making all the money. Just because the woman didn't contribute with cold, hard cash to the household, she still contributed.