Task: Identify the emotional nuances in the tweet, classifying it as either 'neutral or no emotion' or as one or more of the designated emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that accurately reflect the expressed sentiment.
Tweet: Before I even understood what was happening, I'd feel this pang of sadness whenever we parted 😥 #firstlove #bliss #books #lovehurts
This tweet contains emotions: 