Fear can interrupt processes in our brains that allow us to regulate emotions, read non-verbal cues and other information presented to us, reflect before acting, and act ethically. This impacts our thinking and decision-making in negative ways, leaving us susceptible to intense emotions and impulsive reactions
Because it helps you to get from point a to point b and you don't need to waste money everyday on an uber or taxi when you have a car and can go where ever you want