Sperm retention, also known as semen retention or sexual energy conservation , is an ancient practice that has gained attention in modern times. Rooted in various spiritual, philosophical, and health traditions, it involves intentionally avoiding ejaculation to preserve energy, vitality, and focus. While society often emphasizes the benefits of frequent ejaculation, advocates for sperm retention highlight its physical, mental, and spiritual advantages. This article delves into the history, benefits, myths, and scientific insights surrounding this practice.   Historical and Philosophical Context Sperm retention has been a cornerstone of spiritual traditions worldwide: Taoism : Ancient Taoist texts teach the art of "sexual kung fu," emphasizing that semen contains vital life energy, or jing . Practitioners believe conserving this energy enhances longevity, vitality, and spiritual growth. Yoga and Tantra : In Indian philosophy, semen is considered a form of ojas , the essence