"Sherlock would like very much, at this point, to drag John back to his room — the caveman imagery, incidentally, not being lost on him — and take his time unpeeling, unveiling, undoing, unraveling... and maybe, finally, understanding."

I loved your use of alliteration - here and earlier with the "a" . . . like a headlong rush into the pleasure they just can't stay away from.

*on to part 2*