"Okay," he mumbles, and draws back just a little. His eyes are red and a bit wetter, but his expression calmer. "Th-thank you."
Other options:
no subject
"Okay," he mumbles, and draws back just a little. His eyes are red and a bit wetter, but his expression calmer. "Th-thank you."
no subject
He says, and backs off a few steps, then turns reluctantly to go, leaving him to the enclosure, going to go find a private corner to curl into.