What are you talking about? Yes, we do know how he will age. He will start to break down somewhere in his 30s and it will happen quickly. The more he lessens the miles now, the less likely it is to happen in his early to mid 30s. If we are careful now, then he can extend his prime until his late 30s.
It's really quite simple. You guys are making it this complicated thing for no reason. LeBron is getting older. LeBron needs to start resting much, much, more. If he doesn't, then the likelihood of age catching up to him increases substantially with each year into his 30s.
This is truth. LeBron is was not created in a laboratory--he is not an X-men. Age catches up to everyone, and it will with LeBron as well.