So I’d probably be more shocked if PJ ended up truly being a random stranger without any pressing reveals to drop on Rome’s plate. (Maybe he’ll pretend to be Lawrence Kasdan and will invite Rome to dinner, which would be a bizarre callback.)
Maybe, just maybe, Chandler Riggs’ introduction won’t quite be so conspiratorial in nature.
However, this is A Million Little Things, where viewers have conditioned themselves to take little for granted, and that each character has roughly 17,000 secrets being guarded away from other characters.