you really don't!! (and she's seen. so much. happen to nathan) (and knows what she wasn't there for with nate) (there is a breaking point is what i'm saying)
he usually also refers to her as mom/mother when he's either being flippant (like jesus!nate being all im not gonna be controlled by some fire bird MOTHER) or when he's earnest (like thinking mystique was her when he was coming back or when Jesus!Nate told her he was dying)
which is ironic considering