Ok -- some religious people do that as well. As has been pointed out by me before, the two (religious evangelizing and child evangelizing) do share many characteristics.
Mother Theresa? That she could have had such doubts and remained a nun (much less the leader of an order) is a sure sign that she literally saw no other choice. Just go along to get along...
Parenthood is really a secular religion, of late.
I'm happy to be a heathen on any and all fronts, thanks. If your life/afterlife is/will be so great, then please, by all means, enjoy.
(One of the reasons I adore my Jewish friends. No prosylitizing, ever. In Judaism, it's not allowed!).