No, no, no. I have a strong negative reaction to this. How could they tell you such a thing? You've only been diagnosed for 2 years, how could you possibly have everything figured out yet? I can understand why this would be bothering you. No matter what has happened, you've still just been diagnosed recently. I hope you don't take their comment to heart and that you can work through this. I am still separating out what is me and what is the bipolar, and how much of that do I accept as a part of myself, and I've been diagnosed for 7 years now. Not much compared to some people on here, but still. You're not going through this alone. You're not the only one, and you are not your disease.

Edit: As for how do you stop, I think it would be working towards stability. If you're already doing that, then you're already not your disease.