The Four Agreements: A Practical Guide to Personal Freedom (A Toltec Wisdom Book)

by Miguel Ruiz

In your whole life nobody has ever abused you more than you have abused yourself. And the limit of your self-abuse is exactly the limit that you will tolerate from someone else.

If you have the need to be abused, you will find it easy to be abused by others. Likewise, if you are with people who need to suffer, something in you makes you abuse them.