Ah, siblings. My kids, 22 months apart, are good friends more often than not. But if history repeats itself I know that this summer break is likely to test their love, to put it mildly. Most siblings do fight; social scientists have consistently recorded high levels of hostility in sibling relationships relative to other relationships. But I want my kids to be kind to each other, especially if they are spending most of their time together!

Fortunately, there are things we can do to make that happen. This quick video shares a few ways to increase the odds our kids get along well.