Your physical appearance is essential for self-esteem purposes. When you look and feel your best, you tend to perform better at work and school. Your physical appearance checklist may include your entire facial features and enhancing these features with makeup. You may want your eyebrows thinner and your lips fuller. Your physical appearance features what's on the outside, what people see. A lot of people are judge by their physical appearance. The saying "don't judge a book by its cover" derives from people considering a person based on their physical appearance and being completely wrong about a person.