He bobbles back and forth with uncertainty , as if running into invisible walls : nowhere to hide .
With trembling knees and sweaty palms , the requisite nerd cowers in a dark corner of his school 's gymnasium .
nerd bobbles back and forth with uncertainty , as if running into invisible walls : nowhere to hide .
With trembling knees and sweaty palms , the requisite nerd cowers in a dark corner of his school 's gymnasium .