Is determined by genes. This is something called boating. It doesn't matter if you don't have eight ABS. The important thing is that you need to attract others' abdominal muscles. Bodybuilding champions don't necessarily have eight ABS. If you don't practice for two days and rest for one day, your abdominal muscles will be gone. You need to add some protein. The bodybuilding champion said that fitness is composed of 30% effort and 70% nutrition.