My guess is a Bearded Dragon

A birds pecker?

“Never perfect. Perfection goal that changes. Never stops moving. Can chase, cannot catch.”

It’s a video game quote but it helped me realise that there is always some aspect that can be changed for the better

It’s true, but not helpful. If it was helpful it would actually tell them it’s spelt “in fact” and not just say: not a word

Nonce. I’ve always used it just like Dunce. Turns out it does in fact not mean the same and instead means pedo.