Please analyze the tweet "omg so grateful to have an education but ive been back at school for 2 (two) days and my back hurts, im exhausted and breaking out already 😍" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".