"Oh, it's a girl? That's good, because someon-" And here he stopped his relieved, cheerful ramble, the embarrassed look disappearing and being quickly replaced with... Horror? Something akin to that, at least. Maybe more along the side of 'fear.'
"Er... Akito. Did you put her in the washer? She's... kind of small...." Really small. Too small. The rabbit he'd had had been big enough to rest all along the length of his arm, and certainly not palm-sized. Babies... were small.
Uhoooh. Hopefully, he was just thinking too hard, and rabbits were like shirts - the more you washed them, the smaller they got....