One of my favorite quotes on dying comes from the late Paul Kalanithi, in his book When Breath Becomes Air: The last day of your life is not the sum of your life. The sum of your life is the sum of your life. I’ve thought about this quote a lot over the past three years. As I’ve discussed Shawn’s illness and death, both in my private life and on this blog, I’ve thought about how I needed to keep remembering other parts of him. I’ve tried – often unsuccessfully – to push back on the bad memories and remember the good ones. Yet try as I might to think…