Our communal expectations, created by society and pounded into our psyches by seasonal advertising, are that when we celebrate our holidays -- Chanukah, Thanksgiving, Christmas (for non-Jews) and even secular New Year's -- we should have a perfect holiday.
Do you expect your kids to adhere to the rules of the world? Or do you expect the world to adjust to the needs of your kid? If ever there was a subject where people have differences of opinions, it's parenting.
This superficially focused yet deeply-ingrained striving for some unattainable, deprivation-based goal can easily overcome a good life, and swallow it whole. And those feelings can turn deadly for some of us, or at the very least, consistently ruin our days.