We all have a life, but what should we do with it?
Dan Weijers is a senior lecturer in philosophy at the University of Waikato.
Every month on Nights, he unpacks some of life's big issues, whether it's love, death, happiness, or whether it's morally right to keep a pet goldfish.
Tonight Dan is exploring the 'experience machine.'
If you could hook yourself up to a machine and be happy all the time would you?