By the time Yuna finishes speaking, Gabriel's rubbing absently at his chest again.

He starts to answer, but cuts off his own words as the door opens-- or starts to. Simon's there, quickly, and slips out into the hallway to discuss matters with the nurse who's just tried to come in.

Gabriel waits until the door shuts before saying,

"An angel-- it's complicated, yes. I suppose -- think of them as beings of power. Servants of God."