Tidus hums in acknowledgement, but he knows deep down he'll be fine; he can last longer than five minutes without it on, but he has to push down that anxious feeling that clings on anyway, whenever he messes with his SCA.

But he wraps on Senku's, and there, again - that feeling, an unease. He remembers this. His brow furrows, but he's listening to Senku, stretching out his arm so his hand is sitting by the jar, leaning some against the table.

"This fine?"