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: Sometimes The Worst Place You Can Be Is In Your Own Head.'\n\n #quotes #worstenemy  #thinktoomuch
This tweet contains emotions: 
disgust, pessimism, sadness