1) The average human attention span is 8 seconds and users abandon websites that take more than 3 seconds to load. A 1 second delay in page response can result in a 7% reduction in conversions. 2) The brain is motivated by core drives like meaning, development, creativity, ownership, social influence, scarcity, unpredictability, and loss/avoidance to take actions that release dopamine and become addicted to products. 3) To arrest users and increase stickiness, product designers should continually innovate, update experiences, and make the user journey exciting to stimulate the brain's reward system through dopamine responses to familiar and sought after rewards.