Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Thought I left that part of life behind me\nIt's back to haunt every girl that loves me
This tweet contains emotions: 
disgust, fear, pessimism, sadness