Question

One morning, charles wakes up to find himself in an unfamiliar location. after flipping through the phonebook next to his bed, he realizes that he's in california. but, as far as he can remember, he's never left new york. the phone next to his bed rings and he is greeted by an unfamiliar woman who calls him rick. although he insists that he is charles, she insists that he is rick, asserting that they've been dating for several weeks. based on this information, charles is likely suffering from dissociative

Answer 1

Dissociative disorder. it's a disorder where people often lose a large chunk of time because they have problems with memory. if you're looking for another type of mental illness besides that one, multiple personality disorder wouldn't be a bad guess.