Hi and welcome...I'am a rapid cycler..From one extreme to another..My moods can change rather quickly..I can change moods ...as fast as someone can blink..Well it feels that way at times...But after being diagnosed ..My moods have gotten better ..Well because of the meds..But i still have days that i go through alot of mood changes...You have come to the right place for support ..I truly felt alone at times and had nobody i could talk to and that would understand me...But here i found all that and more...Hope you find this site to be helpful ....