[He smiles, or rather.. winces facially, in what he hopes was a reassuring manner.]

Right, well y'might wanna do that, 'cause 'm probably gonna scream.. a lot. This thing, it doubles the pain just to heal it... [He says this all in a groaning voice, he'd used the stone twice before and absolutely hated it. He finally digs it out of the chest and slides into the car, hoping that Owen follows suit.]