Once again, the question arises whether or not you really want to know.
Or would it be enough to simply say … actually, you know what? I’ve got nothin’.
But if you need more (ahem!) detail, I suppose it wouldn’t hurt to try to wrap your head around the idea of a local maxima in the context of this particular joke.
On second thought ....
You know, just blame Zach Weiner.
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Weiner, Zach. “Lagrange Wax”. Saturday Morning Breakfast Cereal. 10 March 2015.
Wikipedia. “Lagrange multiplier”. 27 March 2015.