Here are some sentences from romance novels that describe the backs of men: His back was like a towering mountain peak, and his muscles were tight and powerful, emitting an irresistible force. There was a deep ridge on his back that seemed to contain endless energy, making people involuntarily want to approach him. His back was slender and elegant like a beautiful bowstring, and every breath he took was filled with strength and rhythm. His back was like a solid shield that protected him from the outside world and made him stronger. He had a pair of deep eyes on his back that seemed to be able to see through your heart, making it impossible for you to avoid his deep gaze. There is a soft strand of hair on his back that is like a warm kitten that gently caresses your cheek. His back was like a sculpture. The muscles on his back were smooth and natural, and every movement was filled with beauty and strength. He had a pair of straight shoulder blades on his back, giving off a sense of confidence and elegance that made you involuntarily want to get close to him. His back had a natural curve as if telling his story and experience, which made you feel a deep resonance. His back is like a flag that guides him forward, and at the same time, it also shows his courage and determination, making you involuntarily cheer for him.