Which incites some panic in Baby because Dean's leaving and he doesn't want to be alone with this other person (who is somewhat scary), so he runs out after Dean.

And since he's outside, he stands in the parking stall where he's supposed to be and shifts impatiently while he waits for Dean to come back. He's not supposed to go anywhere without Dean.

When Dean does come back, Baby shakes his head. "No. Here," he says, and gestures for Dean to look at him. "Here."