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: @Babylonian I convinced my mom to watch it. Killgrave gave her literal nightmares, but watched last episode four times. #smile
This tweet contains emotions: 
anticipation, joy, love, optimism