I try to imagine how we would live if we didn't know we were going to die. Would we live our lives differently? Less careful, maybe? Less scared? These are beautiful things to think about and build a song around.
It is only the young and callow and ignorant that admire rashness. Think before you speak. Know your subject.
With a play, you do it and it's gone. Films always date. Television drama always dates. Television comedy, for some reason, seems to go on.