Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
Tweet: @MisterSalesman @ThinkPostsDaily #smiling doesnt necessary means your happy.sometimes it just means you're strong!
This tweet contains emotions: 
joy, optimism, trust