假定你是李华，请你根据所给背景材料、建议以及要求写一篇英文短文。
背景材料：某中学生英文报刊出学生Henry的来信，欢迎读者就信中谈到的问题提出建议并给出理由。
Dear editor,

The college entrance examination is approaching. Although school is all about getting knowledge and learning is a part of our life, it's not only exciting but also exhausting, boring and stressful. I am worried about the coming examination.

建议：1.心态乐观     2.课后活动   3.健康饮食。
要求：1. 词数100左右；
2.可以适当增加细节，以使行文连贯；
3.开头语和结尾语已为你写好。
Dear Henry,
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Yours ,

Li Hua