If Theo was aware that Charlie had pulled away from him he didn't show it. If he was aware of anything going on in the real world outside the phantom one he was seeing in his head he didn't show that either. He couldn't look away from the drying drip on his foot and his toes didn't so much as twitch while the rest of him shook. He was curling into himself, elbows drawn in until he was almost hugging himself but then Charlie paused his flashback or waking nightmare with the call of his name.
He paused like a rabbit that had just heard a fox, twitching a little as the last trembles worked their way out of him. He teetered on the cusp of awareness and in a blink he was back in the room, a little detached but not as distant as he had just been. He looked up from his foot at Charlie like he was waking up and looked around warily. "Sorry... sorry, what did you say?" he asked, as though Charlie had asked him something he hadn't quite heard instead of losing time for a moment.