Read these sentences from the story. "…Nicholas was thinking of the last time he and his dad were alone together. They had gone to the beach a few days before he left for Iraq and held hands as they walked down into the surf. The water was freezing, and his dad picked Nicholas up so he wouldn’t get the bottoms of his pants wet. Nicholas felt like Superman, flying above the ocean civilization, held up by his dad’s strength and his dad’s love. "

What can be concluded from these sentences?.