I may not be in touch with all my emotions, but there is one I know all too well — jealousy. I have worked my entire career in great health systems with fabulous people. And yet, when I go "outside," I constantly see health care providers working brilliantly together in innovative ways that I had not even imagined. It makes my chest ache with envy. This type of jealousy is the deepest and most sincere expression of respect of which I am capable. Here are just five examples of the dozens of innovations out there that make my head and my heart hurt.