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: @mehnazt @Mel_Harder I live a life devoid of mirth. Come to think of it, there aren't enough taco bowls in my life, either.
This tweet contains emotions: 
disgust, pessimism, sadness