I believe that every human soul is teaching something to someone nearly every minute here in mortality.
When we play 'Angel of Death', it's actually a 2 and half minutes sing 'til our party starts. That song is pretty much been played traditionally in the end.
Some people are like wheelbarrows; useful only when pushed, and very easily upset. The time to stop talking is when the other person nods his head affirmatively but says nothing.

