examples of where someone learns responsibility

-Jem has to read to Miss. Dubose

-Both kids learn responsibility from their father. He carries out his responsibilities to Tom Robinson despite the town's backlash.

-They learn from Calpurnia who has responsibilities in both the white and black community.

-Jem felt he was doing the responsible thing by refusing to leave his father when the mob confronted him.

-Scout and Jem learn that Dill didn't have responsible parents.

How does he learn responsibility!?????