The Secret Door of Thorin and Bilbo

Bilbo finally understands the secret map that it's on one special day of the year. When the sun goes down, the light will hit the door and then it can open. So Bilbo again solves the problem. And at this point, Bilbo really is the leader of the group. Even Thorin looks to Bilbo as the leader, which is very interesting. The Bilbo has gone from useless, right? They didn't, nobody respected him. And now he is the leaders of the whole group.