Answer: Maniac-Depressive disorder
Explanation: Carlton's symptoms are most consistent with the Maniac-Depressive disorder in which a person experiments changes in their mood going from states of extreme depression (symptoms of feeling sad, a feeling of time passing slow, not having enough will to get dressed, take a shower or even get out of bed, not wanting to attend to meetings and not being able to enjoy things that they had previously) to states of maniac behavior (manifested by an extreme willpower, not being able to stay still for a long time, speaking fluency accelerated and sometimes unintelligible, absurde and irrealistic thoughts, delusions, etc).