[Oh. Oops. He got so damn caught up in the idea of actually making a catdog that he forgot he'd already told the story.]

Ah, shit. Sorry man! Just... dude, the idea of makin' it's so exciting that I plum forgot. Anyway, that's so sad! I want a catdog so bad! Why is biology so complicated? Are ya sure? I mean, maybe if ya just... I dunno, tried lots of times, it'd eventually mutate?

... I don't understand your question. Whatcha mean how'd he lose the same eye twice?