Higgs' words caught his attention, though. About how the beach was and wasn't his mind. If the beach wasn't entirely his mind, then how could he find his way into the man's mind? He'd found a crack the last time and wound up on the beach; Higgs wasn't stupid, so he figured that there would be all kinds of reinforcements in place, but if the man could get to here, he had to be able to get back. There had to be a way to go further in, a hairline crack or a pinprick or something.
(going to see if i can find a way through limbo) he thought as quietly as he could, and started to search, the same way he'd found the way in before.