In the movie Rain Man Charlie Babbitt goes threw many personality changes. At first Charlie is a very dishonest person. He is dishonest to many people such as his customers, the bank and others he comes in contact with in the movie. He is also an inconsiderate person, he has an autistic brother that he take from his home called Wall Brook, a intuition for autistic people in hopes of getting part of their father’s three million-dollar trust he left his brother. Not knowing what he is getting him self into he is just thinking of himself and the fact that his father leaving his brother with all the money. Charlie is inconsiderate of Raymond's feeling he calls him names such as retard because he doesn’t act normal and Raymond throws fits when things aren't how he is use to them being. He is also disconnected from people such as his father brother and girlfriend.
When the movie starts out, there’s a scene of Charlie's car business where he imports expensive cars. He lies to the bank to get a swing loan to import Lamborghinis
Charlie spends a lot of time with his brother and learns how to be honest about things. Such as, at the custody hearing he told the truth when the judge asked him has Raymond thrown any fits. Charlie knows that what he say could coast him having custody of his brother. He first tells the judge that “I could tell you anything and you will never know the truth". He decides to tell the judge the truth, he says “yes “ and explains what happened.
After spending time with Raymond Charlie shows his feeling more to his brother and Susanna. At the custody hearing he kisses Raymond on the forehead. When he dropped Raymond off at the train station you could tell he didn’t want Raymond to leave him he made sure Raymond had everything he needed and stayed and watched the train leave the station. He also shows more compassion to Susanna he calls her to make sure every thing was going good. And you could tell that he wanted to be in a relationship with her.