regardless if you started it or not it escalated pretty quick & your posted response made it sound like you were ready to kick some posterior. so to me your reaction was pretty equal to theirs...bipolar doesn't give a free reign to act "dickish" as you say. having been diagnosed as bipolar is just that, having bipolar. they shouldn't act like jerks but neither should you, but sounds like there's a history...

time to cool your jets before you get the all expense paid road trip again...