The size of a someone's penis does not determine whether or not they're a good lover — all it does is determine what size condom they should pick up at the pharmacy. However, some people do have penis size preferences, with plenty of people preferring larger penises and others who really only want to get down with someone who has a smaller . The medieval Norsemen considered the size of a man's penis as the measure of his manliness, and The perception of having a large penis is often linked to higher self-esteem. Fears of shrinking of the penis in folklore have led to a type of mass hysteria called penis panic, though the penis legitimately can shrink in size due to scar tissue . Man with the 'world's largest penis' is registered disabled because of his inch manhood because he can't wear work uniforms or get on his knees Roberto Esquivel Cabrera, 54, from northern Mexico, has an inch penis.