A study shows that ''making love'' is the activity humans find the most enjoyable and rewarding, ahead of drinking alcohol - far ahead of religion and caring for children.
Things you can feel, that are found in nature, and that distract from the useless daily grind we have invented as a means to be in control of one another should always have priority over make-believe and duties, in terms of what you take from it in the immediate moment.
Having kids, teaching them about Life, nurturing them - that's a long-term commitment that only seldom reaps benefits, and more often than not in the long run, not right away.
Logic would have dictated that, but I guess some people weren't sure. That's what scientists do: they test out even the most obvious stuff to have what they call 'empirical evidence', even though that evidence is usually a result of testing a sample population and, technically, is merely a representation of what some might feel, not all.
What a waste of time, resources and money.