Task: Analyze the tweet's emotional connotations and classify 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 best portray the tweeter's mental state.
Tweet: @RickHoffman_ And we are all so grateful for your perseverance! Happy Anniversary twin!
This tweet contains emotions: 
joy, love, optimism