Everymen wants to experience strong and well-built body. This happens because strength and power is the symbol of men and increases the confidence of a masculine. If you are skinny then you are most certain to feel embarrassed and self pity in company of well developed strong men. Even women love a man with broad shoulders, strong arms; the reason is that the appearance offers a sense of a protector and someone who is dependable. There lies the Need to build muscles.