This is like trying to find the answer to an unsolvably hard problem on a test whose answer should be "None of the above". Then, peek at your neighbor (who has

This is like trying to find the answer to an unsolvably hard problem on a test whose answer should be "None of the above". Then, peek at your neighbor (who has a reputation for scoring well), and on realization that his answer is different, change yours to match his. Plain lack of confidence in your ability.