I just never bought that Isaac would go along with this (or really that Abraham would, though he had proven willing to go to some pretty great lengths). I find it inspiring (and true to life) to think of the child pointing out the inconsistency in the adult interpretation — the dirty, biased, reflexive lens through which we can come to see the the world. It’s an interpretation that takes some poetic license, but there are midrash out there that are far more at odds with the text.

But yours gets at similar issues — especially at the things we’ve been tempted to do and the ways in which we must be reminded to stay our own hands — without inventing a surrounding story! Nicely done.