Final answer:
The importance of controlling emotions before sending an email and the significance of proofreading for professionalism and effectiveness.
Explanation:
The person writing the email should have waited to be less emotional before responding. Sending an email in the heat of the moment can result in regret later on and damage relationships further. It's essential to proofread for tone, spelling, grammar, and content before hitting send to ensure professionalism and effectiveness. Avoid sending an email if you're angry or upset to prevent harmful repercussions.
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