As people strengthened their willpower muscles in one part of their lives—in the gym, or a money management program—that strength spilled over into what they ate or how hard they worked. Once willpower became stronger, it touched everything.

If you tell people that they have what it takes to succeed, they'll prove you right

Some say because music is as much about personal expression as listening pleasure, sharing is integral to why songs have value in the first place.

A movement starts because of the social habits of friendship and the strong ties between close acquaintances. It grows because of the habits of a community, and the weak ties that hold neighborhoods and clans together. And it endures because a movement's leaders give participants new habits that create a fresh sense of identity and a feeling of ownership.

Cravings are what drive habits. And figuring out how to spark a craving makes creating a new habit easier.

When people have a willpower failure, it's because they haven't anticipated a situation that's going to come along.

When a habit emerges, the brain stops fully participating in decision making. It stops working so hard, or diverts focus to other tasks. So unless you deliberately fight a habit -- unless you find new routines -- the pattern will unfold automatically.