At first he's hesitant to open his mouth, even turns his head away. Having something poke his lips triggers the fear of more pain. Though noticing that it's just a cup of water, he begins to sip. More than once he stops without warning, or rather seems to forget that swallowing is an integral part of drinking, and water spills over his chin.

Each time someone walks past them, he gets distracted, eyes following the movement. Once the cup is empty, this gets worse and he ends up openly staring at people. Never at their faces, only at their feet. Raising his head is too exhausting.