Gela does a little flinch at the word because of how on the nose it is. That's how she thinks of it, possession, and for a moment she's certain what he says next will be an accusation of some kind because he has realised her lie but it doesn't come. She doesn't like this, she'd rather not be here and he most likely knows that, which is why his voice is gentle when he does keep talking.

"What if I want it to be gone?" Not understood, or empathised with. She's leaning forward in her chair, nauseous and hopeful, ignoring everything else he's just said. "Is that possible?"

She has seen healers... None of them ever say what she wants them to, but Gela does understand that hers is a rare circumstance.