“Now may the God of peace Himself sanctify you completely; and
may your whole spirit, soul, and body be preserved blameless at
the coming of our Lord Jesus Christ.” - 1Th 5:23
The Bible has this and a lot more to say about the body, soul and spirit. Whether alive or dead, I will honor and respect my body, spirit and soul.
Alive or dead, don’t honor yourself. “Whoever tries to keep their life will lose it, and whoever loses their life will preserve it.” There are more important things. Your life is not in your hands, so how can you keep it? It’s never in jeopardy, so how can you loose it?