Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
Tweet: @len_snart Mick nods. 'I would like that.' He went back to his food, smiling as he finished it.
This tweet contains emotions: 
joy, optimism