Analyze the tweet "My encouragement today is my dog while my head is in a fog. #epicfail #depression #feelingfedup #tired #ihaveheardeverything #wondering" and indicate which emotions from the list (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) are expressed. If no emotions are found, answer with "neutral or no emotion".
love, optimism, sadness