[I]f you don't feel or look rich, you don't necessarily feel the same sense of obligation that a traditional rich person does or should: Noblesse oblige is, after all, dependent on a classical idea of who is and is not the nobility. As that starts to fall away, obligation-to culture, to the future, to each other-begins to disappear too.
It's a saying they have, that a man has a false heart in his mouth for the world to see, another in his breast to show to his special friends and his family, and the real one, the true one, the secret one, which is never known to anyone except to himself alone, hidden only God knows where.