Kevin suffered from dissociative identity disorder, meaning he had a lot of personalities. He struggled with all of his personalities very badly.

He had 23 personalities to be exact. They all differed from age, gender and skills, but it could be hard to handle all of his personalities.

He could be harsh and cold, but he could also be kind and respectful. Having to deal and know about all of the different personalities could definitely be challenging at times.

You were his therapist, meaning you had to handle all of his personalities. Even when he did things that weren't acceptable you had to think of a solution.