Explanation: That's a wonderful quote, my goodness. I love Harry Potter so much. This quote, at least to me, shows the true nature of human socialization and how people like to perceive themselves. To me, this means that you should carefully choose who you pick as friends, as they could be kind to you but backstab you just as quickly as you've forged a friendship with them. A person's true nature comes out when they talk to others who they think aren't worth their time, as opposed to people who hold authority. Hope this helps, have a wonderful day!
It is true that one of the central conflicts in "Through the Tunnel" is person vs. self.
Answer:
the villians/bad guy of the story
