I may have this jumbled in my head, but I have a problem with Heidegger's position on death being the only singular experience humans have. How do we know it's singular? We cannot relate our experience to others after it happens, so it seems a bit weird to assume that we die in a way no other person has died. Take plane crashes, for example. Every person in the crash dies the same way; their thoughts will probably differ (from "I should have lived more fully" to "Now I can never have sex again") they all physically die in the same way. Another point is that every single person dies, so how does that make it a singular experience if we all have the same end? It seems silly to say everyone lives the same way yet dies individually.
I would like to believe that the thing that makes me different from anyone else are my particular experiences. There are definite times in everyone's life where the person realizes that this is life, or that this is living, whether it be in a hospital awaiting news or driving through a countryside. When these shocking moments happen, it seems like you consciously recognize You- your life, your thought-process; you being You. This kind of lead my thought-process to Jimi Hendrix's song "If 6 Was 9," when he says "I'm the one who decides when it's time for me to die/ so let me live my life the way I want to".