text: To begin with, they can tell you what they did wrong, so you will not do the same thing. If the person wants to do something good they would ask people for advice so they will not do it wrong. They would tell them what they did wrong, so that he or she will do it right. For example, one day Generic_Name went to his friends what not to do at his wedding his friends started telling what not to do, so he did as they said and his wedding went perfect.