Shiva is the eldest of two siblings, Luna is the youngest sibling and identifies as they/them. They come to therapy after the death of their parents. The two sisters are facing sibling conflict as Luna believes Shiva, her eldest sister, is trying to control her and does not respect her boundaries. Shiva believes as the eldest of the two sisters, she is obligated to care for Luna and Luna does not appreciate her. Shiva is overwhelmed with the obligation and responsibility of taking care of her little sister Luna. How appropriate is cognitive behavioural therapy in addressing the sibling conflict