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: Dolores.' A thin lipped smile graced glossed lips as she let blues peer over at the woman. ' A constant delight.. As always.'
This tweet contains emotions: 
joy, love, optimism