don't care enough about you to

don't care enough about you to
来自美剧
（因为男的说：我从没喜欢过你）
如果你说的是真的 请杀了我吧
女:if you mean it,then please kill me.
我是不会在乎的
男：I don't care enough about you to kill you.
care enough about you to 是什么结构呢,