She had called him the same without thought, and he hadn't questioned it. Hearing it out loud makes him wonder what actually would be appropriate here. He doesn't want to examine it this closely when they seem to be on decent enough terms. Maybe when he knows she won't eviscerate him for trying to offer a correction...

"I don't think that one's prior circumstances should necessarily exclude them from being empathetic to another's situation. But...you aren't wrong, I suppose. I know that I come from a place of privilege nonetheless. I only want to offer what support you will allow. But maybe another time." He doesn't know how to address the idea of her staring at the wall. Perhaps that's equivalent to sleep, for her. He would leave her be though, recognizing a dismissal when he hears it.