Question: Jim has been in a great mood for the past 5 days. He has become highly involved in a campus clean-up project and spends almost all night picking up trash around the campus. He only sleeps for about 3 hours each night, but states that he is not tired. His friends claim that he is talking much faster than usual. Jim is still functioning fairly well in that he is attending all of his classes, completing his homework, and going to work. He is not experiencing any psychotic symptoms. What type of mood episode is Jim most likely experiencing?