Why do siblings argue so much? Well, let’s start with a brilliant analogy from Elaine Mazlish and Adele Faber, authors of one of my favorite parenting books, Siblings Without Rivalry. They remind us that when a child gets a sibling, it feels to them similar to how it would feel for you if your partner got a second spouse. Imagine your partner comes home and says, “Amazing news! We’re getting a second wife! You’re going to be a big wife and now we’ll have a little wife and we’re going to be one big happy family!”
