A flat and well-toned abdomen is one thing many of us try for by exercise and bodyweight Management. In some cases these methods can't obtain our aims. In youth, our faces are fuller in the cheekbone location, and narrower on the chin and jaw, much like a "coronary heart" shape. https://grok.com/share/c2hhcmQtMw%3D%3D_e9f5d9e7-ce5c-4d44-91b2-c269998e2d62