From the tweet "During the day @JeffProbst is jovial. At #TribalCouncil he's a different,  darker fellow.  Still simply but smiles are few. #Survivor", identify which emotions are conveyed. Choose from anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, and trust. If no emotions are evident, respond with "neutral or no emotion".
joy, optimism