Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: The book that can start improving your relationship tonight.  Taking you on a journey of #fun, #laughter, #romance and #metaphysics.  htt…
This tweet contains emotions: 
joy, love, optimism