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: @NinjaWorrier @ali_zimmer @m_pattison How long ago was that? (I shudder to think.)
This tweet contains emotions: 
disgust, fear