Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: My encouragement today is my dog while my head is in a fog. #epicfail #depression #feelingfedup #tired #ihaveheardeverything #wondering
This tweet contains emotions: 
love, optimism, sadness