I have BPD and I'm not sure if what I experience could be called hypomania - I'm just talking about extreme mood highs, when I feel like I'm capable of doing anything, like some kind of god.
I took mood stabilizers for about a year before stopping. And honestly - it was a good time. Everything was more harmonic. Yet - as I didn't have the sudden and deep changes of the mood I was quite happy with the lack of lows. However - it felt like something was missing. After stopping meds - I felt like I was born again - meaning I have finally get back the extreme high feelings. I would say it is like free drugs. Like you'd just apply heroine or something. Felt great to be able to experience that again. And it still does. Except for the fact that I also have my "downs" back and it's becoming more and more difficult to cope with.