First, sweating can lose weight. I always say, don't exercise, watch sweating. If you stay in the gym all day, but you don't sweat at all, what is the exercise effect?
Second, the amount of exercise is too small. After running, my hair was all wet and my underwear was wet. If I am in good spirits, my hair looks like it has been washed. You didn't sweat in your lower body, but you did some exercise.
Third, we should lose weight step by step, but we should also gradually increase the amount of exercise, not just thinking that we can't do it.