Jack only heard the first part, however, and his worst fears are realised: they're all the same. Every version of Glen he meets. The glass shatters on the wall above Glen's bedside table, water splattering on the wallpaper.

"I knew it," he breathes, hands shaking. "None of you would ever see me. None of you. I'm just always, always, always a replacement, why would I ever think otherwise - "

He'd done something like this to his own Glen before. It only earned him a laugh, like a parent finding a child being petty. He didn't wait for the laugh this time, crossing the room again for the door.