Напишите пожалуйста письмо

Напишите пожалуйста письмо. Без вступления, без прощания и без вопросов которые нужно там задать. I had a few bad results at school and my parentsare really angry with me. Why do our parents put us under so much pressure? What do you do when your parents criticise you when you don't do well at school? How can I explain to my parents how I feel?