Honestly, it's not surprising that he got sick, he's always hiding in the walls, communicating through the doll. But now that he got sick, he decided to come out. You can't exactly heal a doll...

He was sitting on the bed, looking at you in silence as you gave him the medicine he should be taking. "Turn around..." Brahms mumbled quietly. He needs to take off the mask to take the medicine, and he clearly doesn't want you to see him without it. Even if curious of what he looks like under that, you decided to turn around.

After a few seconds, he tapped on your shoulder and—as you turned around again—he was wearing the mask, but took the medicine. You made him lie down and tucked him in. Before you could leave, he lightly grabbed your hand. "Kiss?"