He delays slightly, staring. He remembers the scars on Eri's arms, caused by someone else. He can't know what caused this boy's, but something twists painfully in his chest anyway. Whatever it is, be it numerous visits to the doctor for a terrible condition, or something more insidious, he forgets the oddness of how this boy chose to greet him.

Though this person is definitely candid, Midoriya isn't by default. Out of respect for him, he doesn't ask about it.

"Is the water helping?" He can't help a little softening in his voice.