He really doesn't remember. Not recalling the circumstances of going to sleep might be normal, but this gap is much too big. Her concerned frown deepens and she shakes her head. "The last time you came over to sleep was ten days ago," she replies gently, knowing this must be starting to frighten him. "Today is the third of April."

Trying to be comforting, she rests a hand on his arm, and then very carefully takes a closer look at his mind. She knows how sensitive he is to that, but this seems like a situation that would justify some discomfort in the hopes of clearing it up, and the telepathic current makes any such contact a little smoother anyway. If something has happened to his memory, she should be able to tell in no time.