After seeing the effect the heart has on Lights, he gapes slack-jawed for a moment, mouth working, no sound coming out. Then, with a slightly hysterical-sounding laugh, he practically dives for the magenta heart on the floor, the one that matches Aria's scales. He gulps audibly, his hands shaking as he presses the heart to her chest just like he saw Brimstone do. "Oh please work. Please. Please God let this work..." He cups her face gently. "Oh please honey wake up..."