Not get mad at the person who who are it's not right take something big and and small like ball not a soccer ball a regular ball and u get your anger out that's my solution and people out will think it will work
The correct answer is Dysthymic disorder, it’s definition is basically mild depression.
The other answer is far from being right, bipolar is not at all mind. Neither are any of the other answers listed
Managing the effect of the behavior on the entire group.