The biggest difference between men and women is that they like to cultivate feelings with their friends through exercise. Dr. Davis said. After a week of fierce fighting in the mall, whether it is a fierce basketball match or a relatively mild golf, the "parts" of the body can relax and rest. Stretching regularly; Strictly control your weight and participate in aerobics training classes that suit you; Do a practical and effective muscle building exercise every weekend. Professor Davis thinks it is necessary to give up or change some strong sports.