Since civilization began, we humans have used several methods to influence others’ perceptions of us. Big is usually more powerful. More attractive individuals tend to receive favourable treatment from others. Jewellery, make up and clothing all alter our natural appearance to others and can improve our confidence when among our peers, superiors and subordinates. In the twenty first century, cosmetic surgery is booming, and to change one’s physical appearance is common among men and women of all ages.