I am pretty sure Mark did not mind the "as you can see".
He knows he is blind.
The fact you forgot about it is actually good.
I have one hand.
I also have a (ahem) second-hand shop filled with (ahem) off-handed puns.
I need new glasses - I see two hands.
When my wife starts piling stuff on me, I tell her "I only have two hands".
I love it when folks forget - they see me && not the lack of the hand.
(So far, though, nobody wants to join my club....
Otherwise, the list is pretty good.
See "portrait of J Random Hacker" - just google it, and compare yourself to the profile.
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