Task: Determine the emotional state reflected in the tweet, categorizing it as 'neutral or no emotion' or as one or more of the specific emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best characterize the emotional tone.
Tweet: Whether my glass is half empty or its half full. I'm just grateful I even have a glass and that there's something in it.\n #optimism 🤔
This tweet contains emotions: 