story: People told Dave that a watched pot doesn't boil. He tried to prove them wrong by watching a pot. He put water in a pot and set it on the stove. He set the stove on high and waited. He was very excited when the pot began to boil.
 selected sentence: People told Dave that a watched pot doesn't boil.
People tell Dave a watched pot doesn't boil >Causes> Dave feel(s) doubtful