I feel like my mom is bipolar, and i may be also. how to tell?

The best way to know: Is through a comprehensive psychiatric evaluation. When a person is manic or hypomanic they may exhibit aggression, agitation, lack of judgment ; impulse control, distractability, rapid thoughts ; speech, ^ libido, v sleep, spending sprees, high risk behaviors, elation, ^ physical activity ; even psychosis. When depressed one may experience low mood, v energy level, v concentration, amotivation.