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: @PeteSpencer007 Are you always so relentlessly positive? Your constantly cheerful optimistic disposition starts to grate after a while.
This tweet contains emotions: 
optimism