You see, his sister was never his friend, but she pretended to be, because, unfortunately, there are people in our surroundings that take pride in being superior and more successful than us. They build their self-esteem based on our failure. Carl didn’t realized this until she putted it in his face. But, fortunately for him, he worked very hard to achieve his goals, despite what she had been telling him during all those years.
We often trust in people that we assume to want our best, because they are relatives or long-term friends, but everything that they say, disguised as a friendly suggestion, is actually poisoned with discouragement, because, deep down, they don’t want us to succeed.
One of their favorite strategies, consists in making us feel busy, in order to distract us from our main goal.