That sounds about right. There was this JLU episode called For the Man Who Has Everything and Supes gets trapped in his own head by an alien parasite and he dreams himself with a family full of children on a vast farm.
Importantly, it's the mild manneredness that is his secret identity and his superness that is the real self, regardless of where he's at or what he's wearing. Even on the farm he had to hide his abilities from locals and what not.