Not a

I do have a feeling of a "trade" whenever people are talking about how much that parents pay for raising up their kids and how much the kids should appreciate or payback for whatever their parents did for them. For whatever the reason, I believe that something is wrong with this kind of talking and thinking.
First, in normal circumstance, having a baby is human basic instinct. As parents we make love, we enjoy making love and we enjoy having baby.
Second, it is human or even animal basic responsibility to have a baby. Human being will be gone if no one has a baby.