Hey there voix! I can completely relate to what you are saying. I was in your shoes a couple of months ago.
I did go on medication and after 8 years, they finally found something that works for me. I withdrew from classes - I ended up in the hospital after a combination of sleep deprivation, caffiene and stress.
We were both worried about me losing my personality with medication, but it didn't happen. whew! He hung in there on a wild ride with my mood swings. He's a good man.
And now (with medication and stress reduction) I'm a stable, balanced, stay-at-home momma with the man I love! It really can get better, but you need to seek help - everything you can get until you find a solution. If you can't do it for yourself, do it for your boyfriend.