Well Georgetown. You have learned, expensive (new batteries) but you have learned....
I taught my first Battery lesson when I was 16.. To my Dad of all people.
There is a saying:
Some learn by studying or reading
Some by research
Some by example
Some have to urinate on the electric fence for themselves (Cleaned up a b it)
By the way, I do not suggest you try that last acting
(I have made accidental contact with an electric fence (My hand however) and.. Well... Major .... Reflex.. Thankfuly my reflex under those conditions is to throw.