His aunt and uncle stared. " Platform what? " " Nine and three-quarters." " Don't talk rubbish, " said Uncle Vernon. " There is no platform nine and three-quarters."
Mr. Trevor stood slowly up, fixed his large blue eyes upon me with a strange wild stare, and then pitched forward, with his face among the nutshells which strewed the cloth, in a dead faint.
A 2006 study found that people paid three times as much for their drinks at an unattended honor-system coffee bar when just an image of staring eyes was displayed nearby.