The story mainly tells us that a shy boy called Danny didn't like his personality and always didn't have much confidence in himself to do things he wanted.So he asked his uncle who was a scientist for help.Uncle gave him a bottle of personality potion.He said it would find out his good personalities inside his heart.Of course,Danny believed it completely,after he tried that,he found himself changed into another person.The potion really worked!A several days later,he went to see Uncle.Uncle told Danny the truth was that the potion was a trick.You believed yourself instead of believing the potion.