Classify the emotions found in the tweet "@ShieldsCap &lt; Steve between his feet, feeling a blush sting his cheeks. 'I can undress myself, thank you very much,' he snapped &gt;". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".
anger, joy