If you want to make parenthood truly lousy then hold in mind an expectation that your baby should sleep through the night. Or your toddler. Or your pre-schooler. Marry unmet expectations with sleep deprivation and you have a potent dose of guilt, failure and worse still, resentment.
It's quite scary that the systematic 9-5 culture is so deeply ingrained that we don't even consider change. If we really wish to improve the way we work, our patterns and ideas should be constantly evolving.
I perceived that my ability to be where I needed to be, and do what I needed to do, was based on spiritual rather than material factors. And for me the key factor was understanding where my energy and alertness actually came from.