I have asked him and I always translate what he says into my own way of counting. He says it can't be counted the way I'm trying to. I like your bouncing ball losing momentum analogy.
Actually, your analogy is more precise than you imagined. It is in fact like a flat plane on the bottom. Great analogy, I wish I would have thought of it myself.
To put it a different way, a Nessie is a specific kind of "decending triangle".
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