Please explain what does it feel like to have bipolar disorder?

Up's and Down's.: 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, ^ or v sleeping, ^ or v in appetite, poor self esteem, feelings of hopelessness or helpless.