Pull yourself back to finish one task, particularly if bouncing between, and not finishing tasks would be non-functional for you. Make Lists of Priorities. Pull yourself back when you feel yourself bouncing to an unimportant task rather than sticking with a higher priority task that you are becoming disinterested in. Watch Your Diet to Maximize Your Health. Exercise Regularly for Maximum Health.
Stress drains energy and reduces effectiveness.
Work on healthy relationships with others, learn to deal with your own emotions.