Which is worse, overload or underload? Luckily, I never had...

Which is worse, overload or underload? Luckily, I never had to choose. One or Pass on to where? Back into my cells to lurk like a virus waiting for the next opportunity? Out into the ether of the world to wait for the circumstances that would provoke its reappearance? Endogenous or exogenous, nature or nurture - it's the great mystery of mental illness.