"Through the Tunnel" Comprehension Paragraph

I find it convinsing that Jerry whent through the tunnel and surrvived because he kept practicing and practicing until he made it through. For example he got his mother to buy him goggls in order to go under water without the water hurting his eyes. He also when and practiced going under water no matter how much his nose bled. Jerry never gave up and kept trying. In the end he ended up going to the end of the tunnel and descided that was not important anymore.