Why Change Is So Hard: Self-Control Is Exhaustible

You hear something a lot about change: People won’t change because they’re too lazy. Well, I’m here to stick up for the lazy people. In fact, I want to argue that what looks like laziness is actually exhaustion. The proof comes from a psychology study that is absolutely fascinating.

http://www.fastcompany.com/video/why-change-is-so-hard-self-control-is-exhaustible