That hissing sound got Casey to tense immediately, a reaction to working with animals often not used to dealing with humans or that otherwise did not take well to strangers handling them when dropped off for whatever reason. There was a moment of pounding worry and terror before it clicked in their head what just happened. Casey frowned and gave a light swat to the top of Gabriel's nose. "Hey," they said, long and playful and mock-scolding for the action.

At Gabriel shifting along them, Casey moved to help them fit even better. Their hand went down to his jaw, stroking gently but firm in the way more-languid animals like cats seemed to adore. It was a natural reaction due to the similar body-types, just a comforting hold and motion, something to keep Gabriel there and with them.

"Designated driver?" they asked, brow furrowing. Learning what Gabriel was of the two options didn't deter them much at all; it was good for someone to have faith, and it obviously wasn't something Gabriel was unreasonably zealous about. It actually made Casey adore him even more for having the dedication. "What happened to the people you were with?"