Noun: A philosophy that allows one to channel paranoia or insecurity in a way that leads to risk mitigation.
Reporter: 'You're up 2-0, are you not happy or are you half happy?' Kobe: 'What's there to be happy about?' Reporter: 'You're up 2-0?' Kobe: 'The jobs not finished' = That's eighty!
The feeling of anti-complacency one gets after an achievement causing them to avoid shortcomings in the future.