The three friends decide to go for a swim in the river. Why does the plan change in the morning? How does the author become a hero?

What chapter are you referring to?

The and decided to go swim in the river why does the plain cheese in the morning how does the author become Hero

The narrator and his friends planned to throw away everything and splash into the water for swimming,but withdrew the plan in the morning because the water looked damp and chilly and there was cold wind.The author becomes a hero when he accidentaly gets into the uninteresting river.