Caleb feels him as he's reaching the floor. The longer they're together, the closer they get, the farther away Caleb can feel him from. So he feels the feelings, the nerves and the determination and even the slight fear, and he frowns, wondering what the hell happened.

When he opens the door, before Neil can even knock, he freezes.

Then he tucks his lips between his teeth. He steps back from the door and gestures for Neil to come in. He doesn't double-check that it's him: he knows it's him.

And it really is kind of hilarious.