Pierre Teilhard de Chardin

The older view of the nature of heat was that it is a substance, very fine and imponderable indeed, but indestructible, and unchangeable in quantity, which is an essential fundamental property of all matter.

A lot of emotional stress that people go through, some people figure out a way to handle it. They have a strong enough support system to keep going and keep moving forward. And some people, they feel like they don't have that outlet.