One of my ex-boyfriends is just 15 months younger than his older sister. When we started dating, he told me how, shortly after he was born, his parents sent his sister to go live with the grandparents for a year because taking care of two very young kids — one of whom was extremely colicky — was just too difficult for his mother. I remember reacting to this story with judgement. "HOW can anyone send their own child away? That's just absurd!" Now, being a mother to two children just 13 months apart, I can understand why they did this. Not that I want to send Claire or Aerin away, but I can understand. In just a couple of weeks, J's parents will...