Its like being a spring wound so tight you could snap at anything. I once went from making a farewell speech for my brother at a pub with 10 friends and family to moments later destroying the toilet paper dispenser in the bathroom. I think mixed episodes are dangerous because that manic energy can manifest in violence more often than a regular manic episode. BTW - I think technically in DSMIV a mixed episode puts you in the BP1 category, but what do they know?