There’s something really powerful about groups and shared experiences. People might be skeptical about their ability to change if they’re by themselves, but a group will convince them to suspend disbelief. A community creates belief.

If you want to do something that requires willpower - like going for a run after work - you have to conserve your willpower muscle during the day.

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

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.

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

There's a natural instinct embedded in friendship, a sympathy that makes us willing to fight for someone we like when they are treated unjustly.

Hiding what you know is sometimes as important as knowing it.