Do not hesitate.
Swing the cleaver without a doubt.
Discussion
Reminds me of what I read about the French Revolution, how that people's heads who were guillotined could still react to things for a bit. I forget if they could still speak, but someone was asked to wink a few times if they could still hear, and they did.
It sure seems plausible that the decapitated head still can hear based on this short video. Speaking one the other hand requires lungs and throat to some extent. This gander makes noises with the throat post decapitation
👀
It's a pure example that energy is never wasted, only transmitted. The food consumed gets spent by the severed head even after the cut, writhing and shaking using the remaining energy.
We shouldn't be upset or saddened by this, but our emotions as humans do react to death in different ways.