I have that concern frequently. Once we get that bipolar diagnosis it's hard to trust ourselves. Am I just excited...or am I manic.

I got lucky recently and had a pdoc appointment right when I was have one of my suspicios upswings. I told her I was feeling nervous and kind of speedy, but having clear thoughts. She said I seemed stable to her. She did ask me if I was doing anything or thinking anything that I recognize as dangerous or risky behavior. I thought about and realized the the answer was no. I was just nervous because I was feeling up and on fire, and was afraid that it would turn into mania.