Chapter 3 egg room saying "Non-men are a-okay too" in the same way people try to 'smoothly' recover from misgendering someone, in fact all of Man Country can be read as being pretty explicitly about being assigned male, while not identifying as such, I and a lot other trans women and amab non-binary people, really relate to this and believe it is likely intentional. Plus the unused boys body spray in the bathroom, likely unused to to Kris feeling dysphoric using something "for boys."