Many childfree individuals like myself get asked repeatedly when it is that we plan to have children. The pressure is even more pronounced for women, who society expects to kick into baby-making mode as soon as the so-called clock begins to tick. What doesn't add up, though, is that many of the parents asking the question are the same ones who complain about the stress and headaches brought on by parenting. They're endorsing the very thing that's making them go haywire. It's like being miserable at work as an accountant and encouraging others to follow the same career path. As hard and stressful as it may be, having kids is the norm in most people's eyes. It's just "what you do," and if one decides not to have children, people assume sterility is to blame or that something else is wrong.  It's unfair to say that all parents are envious of the childfree, but it's certainly likely that a few of them are. After all, the childfree hav...