Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: 'When the mind is denied the emotional sting of losing it never figures out how to win.' -Jonah Lehrer
This tweet contains emotions: 