Everybody has different Traits and there are factors that may comprehend peoples attitude, somehow family orientation and circle of friends Is a factor to observe; however this characters can also be train and develop or practice in an active participation environment. 

Many people make decisions from other peoples opinion and therefore it can affect a character of a person.This circumstance practically make people dependent to people who speak for them and not for themselves. Social media is also  a factor to consider; being dependent to people such as to patronize a actress/actor can make a certain individual not to stand on its own. Social orientation, social media, a work place and even the movies people watch can even change peoples way of making decisions. 

In order to be free this negative people each person therefore must evaluate themselves to take an effort to scope for the things that they can do make their own choices and be as much as possible responsible for themselves so they won't rely on other peoples choices.