"Some people do cycle more often than others, it's honestly very rare for someone to cycle daily( Gah I can't imagine) or weekly(ack), It can happen but again its rare.. Often its found that what people may label as rapid cycling is really a mixed episode or brought on by med changes or something."

I agree with this. Also IMO there can be swings of mood without it being Bipolar mood swings. I also feel much better toward the evening. I never did understand why.