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: Love is when all your happiness and all your sadness and all your feelings are dependent on another person.
This tweet contains emotions: 
love, optimism, trust