Why had she come back here, if coming was going to cause her so much pain?

Not to take my mind off the situation, but to cause pain.

I hope you won't do something that might cause her pain.

Or let us say it did not cause enough pain.

Do you know how much pain you've caused me in my life?

"I didn't know something like that could actually cause physical pain."

Some people have conditions that should cause great pain, but don't.

Therefore, there was no time for either of us to cause pain to the other.

I have my father's eyes, and looking at me caused her pain.

He had no desire to cause pain to the daughter, but such was life.