Help me apologize to Lieju

Mr. Dean,
    On several occasions at the GLPS camp, you have made fun of my height and mocked me.  For example, last week, on Friday, in front of Class 21, you pretended I was a GLPS student - elementary school student.

    I was very embarrassed and the students teased me after class.  I cried in my dorm room that night.

    I need you to apologize to me in front of Class 21 and explain that you shouldn't have teased me.  Your apology should include the point that no one controls their height, so teasing someone about it is like teasing someone about their skin color.

    If you don't apologize by the end of this week, I shall have to complain to Mr. Ganse.

    I look forward to your response.

Sincerely,
Lieju

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This apology should be 3 paragraphs long.