Barry Wheeler was bouncing off the walls. He'd jumped on a plane after his calls were ignored by both Al and Alice for several days. It could mean that they were both on a second honeymoon, but Barry didn't buy it. Al had been way too unstable for that -- not sleeping, messed up.
Barry had years of experience dealing with Alan Wake, and he couldn't ignore it; something was wrong.
Departure Manuscript: Barry's Arrival
16:31
Rachel