For this effect, half a month, first of all, you should be nutritious. You should be prepared for this. Buy good nutrition, eat well, cherish when you exercise, and take exercise opportunities seriously. Pay attention to muscle symmetry when exercising carefully. Your abdominal muscles are well-proportioned, so you need nutrition. We have a national Sanda champion there. That guy is 1.65 meters tall and weighs 150 Jin. He is super strong. Eat more meat. Get some sunshine.