John didn't catch everything that was said. Lip reading was far from an exact science, and all the more difficult to maintain when the other person didn't realise John needed to see his mouth in order to understand him. He got the gist of it though, and his eyes trailed over to the goggles.
"Oh. No. I'm...I'm looking for Nathaniel," he said, but he was already holding the vial Senu had handed him. Was that consent to do whatever was asked of him? Maybe. He blinked a few times, looking around the room before his gaze settled on the man in front of him.
"What do you need help with?" He didn't make a move toward the goggles yet.