If this sounds familiar, you aren’t being immature – you are experiencing adult sibling rivalry, a phenomenon rooted in decades of shared history. While the “mature” response is usually to stay quiet, ...

Sibling rivalry is normal, but common parenting habits like comparing kids, forcing sharing, or taking sides can make it ...

Sibling rivalry is often expected in families with multiple children. Small arguments, competition for attention, and the occasional squabble are all considered normal parts of growing up together.

Sibling conflicts over the care of elderly parents are quite common, along with disputes over estates and inheritance. Whether it’s disagreements on how much effort a sibling contributes, financial ...

The ridiculous assumption implicit in the sibling argument is that parents treat all of their children the same. Children are born with major differences from one another that force parents to react ...

Lily, aged seven, and her brother, Jared, five, are known to start each day the same way: with a bowl of cheerios and an argument. One day they haggle over who has more chocolate; the next over who ...

Dear Annie: Almost 15 years ago, my older sister removed me from her life after a series of messy arguments. At the time, she just stopped taking my calls and waited for me to leave family functions ...