What does Huck's insistence on boarding the wrecked steamboat tell us about Huck?

This action shows us about Huck's persistence, lack of good judgement, and feeling of invincibility.  It emphasizes Huck's youth.  Most teenage boys feel the same way Huck does.  They believe that they can't be hurt, and it leads them to do stupid things.  Huck wants to go on crazy adventures, and he doesn't care how dangerous the adventures are.  Huck's insistence on boarding the wrecked steamboat emphasize his