Physical, emotional, and verbal abuse.
"It's not that easy, Roy. You see, it's my fault he is this way. He honestly doesn't want to hurt me. He loves me..."
"What I did here was nothing out of the ordinary. You are lucky you were shown it so early."
He was glad his expression rarely reflected what he felt on the inside.
"No," said Ed, his voice quiet. "You can't hurt me."
This is what lovers do, thought Ed. They sacrifice for the other's pleasure.
No one talked of Equivalent Exchange in England, but they had a saying that came close: There ain't no such thing as a free lunch.