Bipolar is the same as Manic/Depressive. If he is showing an extreme manic behavior and also extreme anger, that could be bipolar.

He shaved your head??? what?!

If he doesn't change his ways, you need to move on. Nobody deserves this kind of treatment, whether he has a medical problem or not. If medicine or therapy doesn't help, RUN! Things will only get more physical.

thank you for your reply. last monday an tuesday he was so happy as the week went on he become more paranoid about who i was texting, what i was doing on the computer, then friday night he completly lost it! i could tell from just the look in his eyes that he was in that sort of mood again, thats when he shaved my head! he changes from a loving man to this person that you just cant reason with. if he does have bipolar i want to be there for him, he comes across as being very sure about himself but often askes me why i would want to be with him, so he obviously is not.