Most of us know a family that speaks a foreign language at home. Children in these families can switch seamlessly between the language they speak with their parents and the one they speak with their peers, teachers, and other adults. This facility with multiple languages benefits children in numerous ways, including in being able to navigate a multicultural world. When I'm working with parents whose children struggle with emotional self-regulation, I try to frame self-regulation as a type of language that takes time and effort to learn and master. As with a foreign language, the key to helping children strengthen…