Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: What do I do with my heart that is trembling by just the thought of it?\nI really don’t know what love is
This tweet contains emotions: 
love, sadness