Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: To insure good health: Eat lightly, breathe deeply, live moderately, cultivate cheerfulness, and maintain an interest in life.
This tweet contains emotions: 
joy, optimism