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: @TiganVarcolac &lt; feel this precious pleasure. 'Harder..' He whispered almost breathless and his index finger stroked along his waistband &gt;
This tweet contains emotions: 
joy, optimism