There’s also some number of couples whose ideal is “no compromises” — that is, they hope to both provide the best for their kids and keep the nice house, vacati

There’s also some number of couples whose ideal is “no compromises” — that is, they hope to both provide the best for their kids and keep the nice house, vacations, comfortable retirement, etc. While this isn’t strictly impossible, it’s well beyond the reach of most, and so I suspect that this group mostly ends up never having kids.