he shook his head hard enough to make his hair fly , then thumped his forehead with the heel of his hand . in fact , he was turning an unpleasant shade of purple . if this is so , you will not be safe . for every answer that you hesitate on , you take another shot . when did they tell you that ? '' she thought she could do this . he hooks his thumb into his tie and loosens it slightly , all the while glancing up at me nervously . 