I think my mother is likely bipolar, and i don't know how to deal with it?

Bipolar parent?: The first thing, is get her accurately diagnosed. People "think" friend or family is "bipolar" for lots of reasons. Most fp's can now diagnose this or refer you to a specialist for it. If a loved one has a signficant mind disorder, think about getting help for yourself and others who love and deal with the one consider going to a nami meeting. Google this, a family and help organization for u.