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: I envy the relentless, your cheerful smile aimed at the pouring rain, your positive attitude is an art you have continually mastered.
This tweet contains emotions: 
joy, optimism