Imagine feeling a knot in your stomach, or your heart racing, and being unable to tell whether you are feeling anger, anxiety, or excitement. For millions of people around the globe, this is a daily experience. It's called alexithymia, a word derived from ancient Greek that means "no words for emotions". Contrary to some simplifications, it does not mean an inability to feel emotions. Rather, it describes a struggle to identify and understand one's own emotional states. That might sound like a