Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: I'm slugging vitamin D pills by the handful, like they were m&amp;ms. When will this eternal winter end?! #Melbourne #grim #overit
This tweet contains emotions: 
anger, disgust, sadness