You shouldn't tell your kids you regret having them.
Gary, a mechanic who was studying engineering until his wife got pregnant, is asked by one of his children why he's a mechanic.
Gary wants to give a response to his child.
Gary tells his child that he likes cars and that it's a valuable skill.
Gary tells him the story about studying engineering and says that he regrets having children so quickly.
Gary's child sees the value of Gary's work and also learns to fix cars.
Gary's child thinks that he helped make Gary's life worse and becomes depressed.