Final answer:
In later stages of rebellion, parents should help teenagers avoid serious negative consequences and allow them to face the natural consequences of their choices.
Step-by-step explanation:
In later stages of rebellion, Dr. Pickhardt advises parents to help their teenagers avoid more serious negative consequences.
As teenagers get older, they need to learn from their experiences and the natural consequences of their actions.
Parents should guide and support their teenagers, but also allow them to face the consequences of their choices.