Their relationship drives our every action and reaction — they are the basic ingredients of human behavior. - B.J. Fogg

Good feelings spur the production of a neurotransmitter (a chemical messenger in the brain) called dopamine that controls the brain’s “reward system” and helps us remember what behavior led to feeling good so we will do it again. With the help of dopamine, the brain encodes the cause-and-effect relationship, and this creates expectations for the future.

When you are designing a new habit, you are really designing for consistency. And for that result, you’ll find that simplicity is the key. Or as I like to teach my students: Simplicity changes behavior.

Steps in Behavior Design Step 1: Clarify the Aspiration Step 2: Explore Behavior Options Step 3: Match with Specific Behaviors