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: Life is too short to be jealous, hating, keeping up mess, and worrying about things that do not concern you.
This tweet contains emotions: 
optimism