I'm not sure if you've talked about this, but I believe a developer said that one of the Persona 1/2 characters summoned their Persona to complain about their day to them. Do you think the Persona 3/4 characters could do that?
Yeah, Satomi Tadashi, the head writer for the first 2 installments tended to give away little details like that for fun~.
I think the P3 and P4 characters could totally do it, but they’d need to be in an environment where they can freely summon their Personas without great strain. P1/P2 took place in cities that had been influenced in a way that allowed for that (By the Deva System in P1 and by Nyarlathotep in P2), but outside of the Dark Hour Iwatodai is a completely normal city, and Inaba itself is also unremarkable when it doesn’t happen to be covered in fog. However, if we’re talking PQ, I am fully convinced the characters did that in their spare time. Just because “Well, I can use my Persona whenever I want right now, and I can use more than one as well. Might just as well have fun with that.”