No pain, no gain - why we make sacrifices

Why do we choose to endure hardship? Can sacrifices - sacred and secular - make us better human beings?  Guests: Justine Toh, Senior Research Fellow at the Centre for Public Christianity.   Adis Duderija, Senior Lecturer in the Study of Islam and Society in the School of Humanities, Languages and Social Science at Griffith University.   Brock Bastian, Professor at the Melbourne School of Psychological Sciences