When she is at school, life has a rhythm. She leaves, you work, she comes back, homework happens, dinner happens, bedtime happens. You know exactly where everything fits. The challenge is the holidays. When they are home with you twenty-four hours a day and have no idea what to do with themselves, and honestly, neither do you. Our moms figured it out. Our grandmothers figured it out, whether they worked outside the home or inside it. They made things work, or they let us figure things out on our own. We moms, on the other hand, carry a constant guilt about not spending enough time, not doing enough, not being…