Just leave it be Nano.
Try not to personalize it.
If he wants to debunk you, let him pay for the elec. microscope tests.
Then he, and you, will have proof.
Until then, I enjoy the sample you gave me.
For those that don't believe, and refuse to try it, thanks for helping to keep the price low.
Have a nice day.
Pondering the differences, terminally, between the V-Max and the A-Max.