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 ...

The longest human connection that most of us will experience won’t be with a spouse or a childhood pal – it will be the one we share with our siblings. With any luck, we will know our brothers and ...

You're not alone: here's what to do when your sibling relationship feels broken. As much as we’d like to think of siblings as ready-made friends, some siblings aren’t close. Others bicker constantly ...

When we think about the relationships that shape us, we often default to discussing our parents. Decades of psychological research have explored the influence of parenting styles, attachment dynamics, ...