Ritsu's smile widened when Carol laughed and he mumbled a 'thank you' when she picked the bottle up for him. He considered being lazy and ask her to uncap it for him as well, but since he had just met her, that was probably very rude, and he shouldn't. He did so himself and took another gulp. The bottle was almost empty by now.
So this Miles guy was a year younger. That made him the second youngest though, didn't it? Maybe that wasn't a bad thing. Maybe.
"Not... Really... I'm not bad in school or anything, but I had to repeat one year because I slept too much in class. ...So I guess I'm good at that. Sleeping." To prove his point, he yawned, stretching his arms up toward the ceiling.