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Actually he realized very early on that since he had that handicap he had to be much braver and more curious than all the others!

When he was grown up he was a fearsome, totally fearless cat, I have a video somewhere where he attacked one of the others - splitting them up was not easy nor safe haha...

So many cats, so many gone, all of them with distinct personalities!

Yes, I am amazed by the brave attitude that emerged in your cat.