"That is perfectly reasonable. I'd be more than happy to do anything I can to alleviate your every suspicion. What can I do? Regale you with stories of my boyhood? Describe the school lessons learned in my youth? Detail the travels of my manhood, the crowded cities I've walked through, monuments seen, the finest of meals I've eaten?" He was rambling, but he was desperate to try even the smallest something to prove his pre-beast human state.