Because the left and right hands are controlled by the left and right brains, the functions of the left and right brains are also different. The brain is divided into left hemisphere and right hemisphere. All activities on the right of the head of the left hemisphere. Generally, the left brain has the functions of language, concepts, numbers, analysis and logical reasoning. The right hemisphere is responsible for all activities on the left side, and the right brain has the functions of music, painting, space geometry, imagination, synthesis and so on. So use your right hand more than your left! Hehe ╮ (╯ ▽ ╰) ╭