Joe Vitale befriended a Hawaiian healer, Dr. Ihaleakala Hew Len, who performs a modern version of Ancient Hawaiian, 'kahuna' healing tradition, called ho'oponopono. The healing system is based on Hawaiian shamanistic traditions. The method is based on healing subconscious memories and emotions within yourself, which are linked to external realities in the world, by repeating thoughts like 'I love you' and 'Forgive me'. Book summary of: Zero Limits: The Secret Hawaiian System for Wealth, Health, Peace & More; Featuring the ancient Hawaiian teachings of Ho'oponopono.