i love you until you love me与i don't love you until you love me 的区别

not … until，until
A. until表示动作、状态的持续，强调“一直到……为止”，或强调某个动作或状态一直持续到另一个动作或状态出现之前。常与表示延续性动作的动词连用。
如： * I waited until three o’clock, but he didn’t come. * He lived with his parents until he graduated from college.

B. not … until表示“到……为止；直到……才”，常与表示瞬间性动作的动词连用。
如： * The noise of the street didn’t stop until midnight. * The children didn’t come home until it was dark. * I didn’t know the truth until you told me.

I love you until you love me的意思是：我一直爱到你爱我。
I don't love you until you love me的意思是：直到你爱我，我才爱你。

i love you until you love me
是：我会一直爱你直到你也爱我
i don't love you until you love me
是：在你爱上我之前我不会爱上你