"... Mostly when we have to fight our instincts. Having emotions is well and normal but sometimes it doesn't work to be sad, mad, excessively happy, or in love. So we have to fight with ourselves and then instability comes.
Some cure by deleting their emotions altogether with drugs. Others just fight until something makes sense. Still others don't try hard enough and remain emotionally unstable for a long time, making it hard on everyone...."
full credit: Answer Yahoo
My "drugs" :-
1) Swinging Moods tendencies in Behavior indicates emotional imbalance
2) Motivation in Psychology
Need new environment,place,time etc... blerghhhh~