I'll ask [removed by admin] to help me.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
He does not know how. There was accident up there when they mishandled the stuff. The reaction although self starting and maintaining is beyond human capabilities to control.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.