I don't hate children. My wife and I just didn't think we would be good parents, and also by the time we got married in 1968, we were pretty nose-down toward what we wanted to do, and having a child was going to be an excuse to fail.
I work with the options I have in front of me and my reasons for choosing a job can vary enormously depending on the circumstances. Sometimes I take a job because it's a group of people I'm dying to work with, and sometimes it can be a desire to shake things up a bit and not to take myself too serio