I can usually tell when an incipient mood swing is brewing. Unfortunately in the case of hypomania, I tend to roll with it because I love the way I feel when hypo, and then it turns on me and becomes full-blown mania (which is NOT good). Depression is a whole 'nother beast.....it comes on hard after a manic episode, but I can usually see it coming. I just have trouble DOING something about it because I don't want to believe I'm having another stinkin' mood swing---I prefer to think "it's situational" and will go away on its own. Never does, though.