Inigo can't fool him, he knows he is feeling bad again. Even though it was Taiki's fault that he had felt bad in the first place and it is Taiki's fault again for bringing it up. He nuzzles at Inigo, a silent apology.

"Um... I'm not sure. I have never flown a long way before, I don't know how far I could go before I got too tired."

The suggestion is very like Tidus and Taiki doesn't mind, he will happily be Tidus' experimental kirin for a while.