“Melanchthon began the preparation [for the Confession] at Coburg, with the aid of Luther, in April, and finished it at Augsburg, June 24. He labored on it day and night, so that Luther had to warn him against over-exertion. “I command you,” he wrote to him May 12, “and all your company that they compel you, under pain of excommunication, to take care of your poor body, and not to kill yourself from imaginary obedience to God. We serve God also by taking holiday and rest.” – Schaff
These days folk take years to write considerably less and considerably less important.