I think it's tragic that we have this human capacity, which appears to be hardwired, or so the evolutionary biologists say, for collective joy. We have these techniques for generating it that go back thousands of years, and yet we tend not to use this.
It's true, Christmas can feel like a lot of work, particularly for mothers. But when you look back on all the Christmases in your life, you'll find you've created family traditions and lasting memories. Those memories, good and bad, are really what help to keep a family together over the long haul.