Mashable is often a registered trademark of Ziff Davis and is probably not employed by 自慰 3rd get-togethers devoid of Specific written permission.► 理解身体上的享受和兴奋时人类自然的感觉，这包括与他人身体的亲密接触（知识）；目前，虽然自慰对健康的影响一直存在广泛争议，但医学共识�