It's difficult and it takes a lot of time. Everyone should be aware of these factors. For example, in the past I thought that every person had a certain level of intelligence and they couldn't change it. It even made me give up a lot of things in my life because I thought I can't do it and I won't be able to do it, but after learning that I can improve my abilities I don't care of everything that bothers me. and I face all the challenges. According to the article, “Changing acceptance exceptions for black students had dramatic consequences.