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: Your #smile is always yours, we make it as easy as possible for you to get the best orthodontic care no matter when you need it.
This tweet contains emotions: 
joy, optimism