[ ... you know, for someone who has such trouble expressing his emotions, Byleth truly doesn't hold back when he's happy. It may be a little weird, and his smile is still rather subtle, but all around it's all... very nice.

Slowly, the arch in his brows relaxes with the rest of his expression, surprise shifting into a smile. ]

Coming from you, I should've known it was a compliment. Thanks.

[ For.. letting him know he makes Byleth happy somehow. It helps. ]

So, Fizz it is, then! Guess you should leave him in your room, all cozied up in a plush pond, huh?