what are signs of bipolar disorder ?
its too complicated because "bipolar disorder" is a general category. there are many subcategories.
read more here. http://helpguide.org/mental/bipolardisordersymptoms_treatment.htm
MAJOR mood swings. Like, you're happy one minute and the next minute you wanna cry your eyes out for no reason. If you think you are, you can get evaluated. :)