When people tell us they’re happy, we automatically assume we know just what they mean. Things are good. Life is awesome. Everything’s copacetic. Feeling groovy. You know, happy! Still, even though we ...

One of my favorite 3-year-olds recently asked his mother: “Are you happy, Mommy?” There is so much to like about this question: the child’s ability to initiate a conversation, his concern for his ...