Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: Focus on yourself. Don't let other's love define you when you're happy and don't let it make you bitter if you get hurt.
This tweet contains emotions: 
love, optimism, sadness