I don't know about random my thoughts are it is cyclic and triggered. Figuring out your cycle can be a real pain. I have two biggees a year one in the spring and one in the winter. But if I don't take my mania meds I will cycle over and over with no break. I think the triggered part is behavioral will all mental disorders there is a behavioral element. We are used to reacting to our mood swings so events that happen in life trigger the same inability to cope our mood swings trigger.
I am not, however my friend is - Big time. His mood is random, although 98%of the time he is down. When he has a Big melt-down, its normaly caused by something, i.e., woman.
like both sometimes it is triggered but other times.. well like some morning I just wake up and know that it's not a good day
im borderline mines triggerd
Yes it weird im bi polar some days you'll be like daffy duck happy then the next day ill be eyore its not that a trigger sets it off since your emotions are so out of check something that makes you mad will make you explode
I had it randomly, I was up and down for no reason