I am 17 going on 18 so my personality is almost done in development but my doctor said i have bipolar symptoms. what are common symptoms?

Bipolar disorder: Bipolar disorder is characterized by depressive and hypomanic or manic episodes lasting days to months. Depressive episodes are like clinical depression including low mood, concentration, energy, sleep & appetite disturbances, suicidal thoughts. Manic symptoms include less need for sleep, increased energy and goal directed activity, rapid thoughts and speech, impulsivity and at times, psychosis.

Bipolar: Manic depression is a mood disorder that presents with extreme highs & lows, with at least few weeks of manic phases (abnormally elevated mood & energy level) alternating with few or more weeks of depressed phases (sad, guilty, hopeless/helpless, changes in sleep/appetite/energy level). Any phase can be severe enough to experience delusions or hallucinations.

Bipolar Disorder: is a mood disorder that can present with possible symptoms of mania, hypomania, depression, mixed state and normal state. 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,