If tomorrow never comes

Culturally, in our context where death is the great taboo, this is fascinating - a popular song, whose subject is death, and living life now and how we treat those we love in the light of our own coming death: https://www.youtube.com/watch?v=S4kzGhDEURA

Adding to the poignancy is the fact that, in this version, the singer (who took the song to number one in several countries) subsequently fell into adultery and is now divorced from his wife of the time he was singing it.