Why does cal suggest that Donny and parents allow him more independence?

Cal suggests that Donny and the parents allow him more independence to foster his growth and self-reliance. By granting him the freedom to make his own choices, Cal believes that Donny will develop essential life skills and confidence. This independence can also help strengthen their family dynamics, as it encourages trust and communication. Ultimately, Cal views this as a crucial step towards maturity for Donny.