Look at the Messenger. Who Is He? Whose Interest Is He Pursuing?

Look at the messenger: who is he? Whose interest is he pursuing? This statement, or life skills, my wise grandmother taught me when I was disappointed about other people: their behavior, intentions, actions, and attitudes.

In this story, I am applying the above axiom, or statement, as a starting point for my health problems that I started encountering as I started getting older.