Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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