People may not feel anything when they first start fitness. Because at this time your physical fitness is still in a state of slow improvement. But generally speaking, after 3 to 6 months, you will feel that your body and physical quality will be significantly improved. After a period of training, such as six months to a year, or even longer, you may have a daily change. General fitness, people who stick to it for about one or two years will always stick to it.