Pain makes people who they are.

Torture is defined, with reasonable certainty, severe pain and suffering, physical or psychological. It is defined about as well as legal terms can be defined.

If someone suffers enough pain and abuse, his volitional capacities will diminish to nothing.

Through me the way into the suffering city,Through me the way to the eternal pain,Through me the way that runs among the lost.Justice urged on my high artificer;My maker was divine authority,The highest wisdom, and the primal love.Before me nothing but eternal things were made,And I endure eternally.Abandon every hope, ye who enter here.

I was starting to come to grips with the fact that I had created a lot of pain and suffering around me, not just within me.

Without a word or hesitation, Pain took the mop from Nick. Suffering moved to pick up glass.
"Wow. Where have you two been all my life?"
Pain quirked and eyebrow as he mopped the floor.
"Walking hand in hand with you. Haven't you noticed?