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: Be happy. Be who you want to be. If others don't like it, then let them be. Happiness is a choice. Life isn't about pleasing everybody....
This tweet contains emotions: 
joy, optimism