The moment of betrayal is the worst, the moment when you know beyond any doubt that you've been betrayed: that some other human being has wished you that much evil.
The concept of 'loss aversion' plays a critical role in decision-making, where the pain of losing is psychologically twice as powerful as the pleasure of gaining.
"The moment of betrayal is the worst, the moment when you know beyond any doubt that you've been betrayed: that some other human being has wished you that much evil."