Can i have bipolar disorder, how can i know?

The best way to know: Is via a psychiatric evaluation. There may be symptoms of depression, mania ; hypomania. Mania or hypomania: 1 may show aggression, agitation, v judgment ; impulse control, distractability, rapid thoughts ; speech, ^ libido, v sleep, spending sprees, high risk behaviors, elation, ^ physical activity or psychosis. When depressed 1 may have low mood, v energy level, v concentration, amotivation, .