I see why you adopted him - Shiro thinks, something his partner will more than likely pick up on. It's not a bad thing. Just an observation. More of that back and forth between them.

"That's fine," is what he says aloud. "It doesn't bother me."

And it doesn't. Really it doesn't. Though he blinks, startled more by the statement about ducks than anything.

"Rubber ducks?"