.
.
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You sigh. Whatever, she might buy something.
"Mathematics," you begin, "is a measure of fate. Forget probabilities; math will always provide the user with certainty.
It will always take ten tens to make one hundred.
.
The natural state of all beginnings is zero.
.
Where there is assurance, there are numbers."
"By sliding the beads, you are capable of immense amounts of easy calculation."
Your eyebrow twitches. Your answer comes out with difficulty.
"Sometimes, it's not just numbers that you are assured by. My customers tend to find that other thing before I do."
.
She smiles into her questions.
.
You don't like this question. You're also just annoyed enough to tell her exactly what's on your mind.
You, frankly, have a choice...
.
... you could explain why exactly this is the way it is. This system has worked far too long to stop.
... you could absolutely just get defensive. This lady has some serious issues! Let's turn it on her!