Please analyze the tweet "@EtherealMystic_ - felt like he couldn't control — and here she was, giving so much of herself, selflessly pleasing him. His groans were -" 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".
neutral or no emotion