题目内容：

假设你是李华。你的英国笔友John写信告诉你，近日他由于沉迷于网络游戏，健康受到很大影响。请你给他写一封回信，为他提供些建议。

1.词数: 80左右

2.可适当增加细节，以使行文连贯。

Dear John,

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Best wishes!

Yours sincerely,

Li Hua