Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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