[...Blinking for a moment when he shoots himself in the face with the water bottle. At least he's enjoying it!]

There's no need to apologise for having fun. J-Just don't get too wet, otherwise you m-might catch a cold, okay?

[Thinking for a second.]

Oh, that's right! S-So I suppose the different weights would be a good thing. I w-wonder if I should find another bottle for you to use too...