Just wonderin'....I've heard lots in my 28 years of marriage! I think the weirdest and most selfish argument that I have ever heard was, "Who's gonna take care of you when you get old?" Can you believe that? As if it's fair to conceive a child just to be your nurse when you get old? Because of our decision to remain childless we have been able to retire early and set up a future where if we nee…