By Dr Christian Jarrett, from Womankind #10: Tiger.
Suppose there were a device you could buy that zapped your brain whenever your mood dipped.
Using it meant you were always ‘happy’ and there were no unpleasant side-effects. When, years later, you looked back on your life, it would be fair to say you’d spent most of it in a happy state. Does this sound like a life worth living?
Of course it is lovely to experience joy and bliss from time to time, but psychologists and philosoph...