你的好朋友Kelly在她的微信中表达她目前的烦恼（具体如下），请给她一些建议。

    What's wrong with me? I have so many boring problems!!! To keep fit, I eat less than before, but I am getting fatter. I stay up late for study and I fail in the exam again. What's more, I can't get on well with my classmates. What should I do?

请根据Kelly的烦恼给她提一些建议。

注意：1)词数80词左右（文章开头已给出，不计入词数）；

2)不得透露学校、姓名等任何个人信息，否则不予评分。

Dear Kelly, you seem to be unlucky these days! Here are some suggestions for you.