He's going to be around a long long time if his body holds up. That's always a concern with a lot of players because of how much they play. A lot of guys can't handle it. But it looks like he can.
What this power is I cannot say all I know is that it exists and it becomes available only when a man is in that state of mind in which he knows exactly what he wants and is fully determined not to quit until he finds it.
