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: 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