Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @thixotropic No. Was so sudden. Hasn't sunk in yet. With Leo I knew it was coming.
This tweet contains emotions: 
surprise