You said it yourself, just look at that intelligent and healthy look in his eyes, his comb and wattles look great for all he's gone thru and going thru...his wings will be fine with the callus, they aren't infected nor inflamed.
Humans who've lost limbs for our freedom must also have parts of their bodies that have to toughen up and help out, so I'd say you've come this far, much farther than 99.99% of other humans would have attempted and that's not counting how you've suceeded as a fully functioning and healthy family.
You, your hubby and Zane have shown the world of BYC's teamwork and committment which inspires us... no faltering now!