The son was smitten with a sense of his own futility.

In him was born a desire and a resolve to stand beside his father in this conflict and if the battle went against them, to share in the defeat.
"Dad," cried his son impulsively, "I am a rotter.

I have been of no help to you, but only a burden.

I had no idea the situation was so serious." Remorse and alarm showed in his tone.
"Don't misunderstand me," said his father.

"This is new to you and appears more serious than it is.