Peter has his own quiet suspicions, thoughts that he has no interest in expressing. After years of Sylar attempting to break through, he's had more practice than anyone needs at shutting people out. Granted, that's not what he's trying to do to Adam. But it's far too easy to swallow himself whole and disappear inside silence. Nothing has to be made real when you say it out loud; nothing has to be lost.

He's simply taken to trying to hold himself together so tightly that letting something slip is akin to a catastrophe.

All he wants to do is stare out at the horizon, because even the city has one of those and it reeks of home, some painfully unreachable goal. Eventually, some part of himself is convinced to ask the question he's not even sure he wants the answer to. "For what?"