[Ah, it certainly makes him happy, if a bit wistful, to see the two of them content like this. He wants to protect them, as he does everyone he cares about, even though he would probably not say it with Agito around. Tsuna wasn't really sure how he'd react]
That's good! Though, I suppose not the tired part. [He nods a little] It's only for today, so I guess we're lucky Acumen can clean such an area so fast. Then you'll be able to get out and do whatever you like again. [Tsuna's glad that Agito seems to be in a good mood, because it makes him less worried that he'll say the wrong thing]