Without no communication Jerry has to relay on body language and actions. When Jerry sees the boys swimming in the water below and the pop out on top of the rocks he decides to check it out and see what down there. He saw a black When Jerry was going through he became light headed and blood was filling in his goggles. As he came up on his maximum breathing time he went over his time limit. As Jerry comes out of the tunnel he realizes that he did not have as much self accomplishment as he thought he would. He realized that it was a door from childhood to manhood. So overall Jerry noticed that he does not have to show off to others to impress himself.