Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified 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