There's already a lot of published work in that area. Are you looking at confirming earlier work, or is there a particular focus that introduces novelty?
I guess the practical execution varies a little in each time, place, individual, and circumstance. Look at all these new temptations and tools we have developed! Maybe it will be different this time! Maybe not.
Here’s a novel idea: Try to have the same child with two different partners.
May require extensive trial and error before a good result is uncovered. Don’t let anyone tell you it’s cherry-picking..
Funny thing is that people often choose simple, modest lives specifically because it allows them to have children and be decent parents.
Nothing wrong with having children. It’s an honorable, self-sacrificing choice.