I don't think it is about feeling satisfied on the deathbed. We imagine the deathbed as the place where we finally understand what is important and what isn't,

I don't think it is about feeling satisfied on the deathbed. We imagine the deathbed as the place where we finally understand what is important and what isn't, and then try to apply this knowledge to the limited timespan in between. It is a way to take a step back and evaluate our lives.