Well, he wouldn't know anything about that! Morty wasn't seeing anything about the Persona-shenanigans.

"No need to get defensive." That only made it more obvious anyway. "I know a couple things. You're sixteen. Your mother owns a textile shop, is that right? How nice, my mother owns a similar sort of shop." The incense was from her, actually.

Morty was still smiling. "I know that barely scratches the surface though, so you're right. But I can only tell you what I see. And what I see is a lot of male influence in your life." Take that as you will, sir!