are something you have to define for yourself. 得由你自己来制定

815. I'm not.
     不是
816. Maybe there are none.
     或许本就没有规则
817. Maybe the rules of intimacy
     又或 亲密的规则
818. are something you have to define for yourself.
     得由你自己来制定
819. [The End]
     [本集结束]

来自《实习医生格蕾 第一季 第四集 Grey's Anatomy S01E04》第 818 行