I hate when people say there mood is so bipolar. You have no idea what you are talking about. It is a chronic mental illness that is beyond difficult to deal with at times! ~ Bipolar & all mental illnesses are not anyone's fault. They cannot control it.
An Infographic to Help You Understand Depression. Whether induced by outside factors or an inherent tendency towards depression or bipolar disorder, seek help if symptoms are present for two or more weeks.