Chads are able to statusmax and then get the resources to prolong their chadness. This is common in actors/celebrities, since they got popular due to their looks and have the money for all this shit (Tom Cruise).
As long as you have the right facial stucture/looks, you will always be chad and your life will be bliss. Dont abuse this, though. A chad can grow fat and old, turning into a creep. His “personality” will deteriorate.
Others genetically change over time. Take Stalin for example. When he was younger he had chad genetics (even by today’s standards) and was able to statusmax and reach a repesctable high score. His killmaxing further increased his chadness, since women would get wet over him tearing anyone in his way. As he grew older, he changed from a good looking young chad to a dominant chad old man.