One insight

The "mere-measurement-effect" refers to the finding that when people are asked what they intend to do, they become more likely to act in accordance with their answers. If people are asked whether they intend to eat certain foods, to diet, or to exercise, their answers to the questions will affect their behavior.

One nudge

Let your phone ask you whether you are going to do a workout, instead of reminding you to workout.

One quote

“Whether you think you can, or you think you can't - you're right.”

Henry Ford