When you see someone sad, it's only natural to want to cheer them up. But how? Some people like hugs but others don't. Sometimes a joke is more comforting than a card. How can you do the just-right-thing if you don't know what it is? With its spare, poignant text and unexpectedly levitous illustrations, Just What to Do offers an important lesson about how to offer comfort to loved ones by setting aside your assumptions and following their lead.