Please tell me what are signs of being bipolar?

A mood disorder: The person has periods of severe depression and periods of mania (extreme, abnormal energy or agitation/irritability-- for example, needing little sleep, racing thoughts, talking so fast that others can't follow). There may be only manic episodes (without depression). More info here: http://www.Mayoclinic.Org/diseases-conditions/bipolar-disorder/basics/definition/con-20027544.

Bipolar Disorder: If hypomanic/ manic, 1 may show aggression, agitation, v judgment & impulse control, distractability, rapid thoughts & speech, ^ libido, V sleep, spending sprees, risky behaviors, elation or ^ physical activity. When depressed there may be low mood, v energy level, v concentration, amotivation, ^ or v sleeping, change in appetite, v self esteem, lack of joy, irritability, impaired functioning