Well, that certainly does
not sound like bipolar.
Is the H word
histrionic by any chance? Your boyfriend may be referring to histrionic personality disorder.
Of all the disorders, I know the least about the personality disorders. I do, however, know that individuals suffering from HPD are quite emotionally unstable, and may meet a few characteristics you've mentioned.
Of course, one can't say whether you're "normal" or not from the excerpt presented, but that simply begs the question: what is normal?
If you're curious about the personality disorders, you can find an interesting test here:
http://similarminds.com/personality_disorder.html
<font color="#880000">Don't take the results
too seriously though. </font>