语法没错,不过建议你考虑这样改：Hey,don‘t worry about that.He is still in love with you.Maybe he is too busy to call you but he's always believed in you and he knows that you will understand.改后句子...believe怎么加d了？he's always believed in you = he has always believed in you = 他是一直相信你的 （或 对你有信心的）