[Action]
[Riku glances at Tsuna and then back to Sora. Quietly,] You don't have to cheer me up. Being here with me is enough.
[Riku almost smiles.] It's hard to imagine someone like you would let anything bother him. [Tsuna is cheerful, not in the dumb way Sora is sometimes, though. He doesn't seem to have cares like that to weigh him down is all.]
Thanks. I... [he trails off, thinking about it. After a silent moment, he speaks again.] There are so many things that I can't tell him about. So much that happened that he just...will never know.