And a crazy thing happened: the very act of doing the thing that scared me undid the fear, made it not scary. My fear of public speaking, my social anxiety, poof, gone. It's amazing, the power of one word. "Yes" changed my life. "Yes" changed me. But there was one particular yes that affected my life in the most profound way, in a way I never imagined, and it started with a question from my toddler.