I’m the oldest of six kids, which meant I was basically an unpaid assistant parent tasked with maintaining order in what can only be described as a feral child circus. My brother—just 11 months ...

There are two common assumptions about the relationships between brothers and sisters. The first is that these relationships are the longest of our lives. In having two or more children, parents might ...

If you grew up with sisters, you already know: It’s a relationship that can feel like a lifeline one minute and a labyrinth the next. So when journalist Deborah Roberts told me she was writing a book ...