Please analyze the tweet "Pro Tip: Go back to work when your kid reaches 20 mos old.  Stay home any longer, and you'll be absolutely miserable with the ." 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".
anger, disgust, sadness