Size
A person's personal space (and corresponding comfort zone) is highly variable and difficult to measure accurately. Estimates place it at about 60 centimeters (24 in) on either side, 70 centimeters (28 in) in front and 40 centimeters (16 in) behind for an average westerner.
Read more about this topic: Personal Space
Famous quotes containing the word size:
“Eat your meals according to the size of your bowl.”
—Chinese proverb.