“Happiness Comes from Within… Literally” is an insightful exploration of joy’s internal roots by mind scholar Sienna. She intertwines neuroscience and the human condition, advocating self-care, sleep, and detoxification for emotional health. The book highlights happiness as a natural outcome of balanced living and introspection. It offers a guide to nurturing well-being through gratitude, altruism, the healing arts, and psychedelics, while drawing wisdom from ancient philosophies and religions, urging readers to cultivate joy from within through thoughtful actions and choices.