Because of the flight of the middle class white families
Because people worked six or seven days a week
The central idea is that the white people are worse than natives insofar that it may seem like the Natives are brutal savages, but it is actually the colonists who are worse because they "poison the heart" while the natives only "scalp". He explains that he tried and failed and is sorry that soon the Natives will be just like the White men. Expand this into two paragraphs and add a bit more quotes.
He survive by going to a therapist