假设你是Teens报纸的读者Tom，请你根据所给的背景材料给Peter写封回信。内容包括：
1．分析Peter父母不同意的理由；
2．你给Peter的具体建议。
背景材料：
Teens 总428（9/2011）期
编者按：本期刊登了Peter的来信，欢迎读者就信中谈到的问题进行分析并提出建议。
Editor,
I’m a boy of 18 in Senior two. I like arts, especially dancing. I want to attend a hip-hop training course on the weekend, but my parents don’t permit me to. I’m very upset and need your advice.
Peter
注意：
１．词数120左右；
2．文章的开头已经给出，不计入总词数。
Peter,
You are very upset that your parents don’t permit you to attend a hip-hop training course on the weekend.