He’s no individual. He has no original thoughts, he lets himself be brainwashed because there’s no way out. She hates him for that.
“You have no life,” she said.
“I do,” he told her. He’s living a lie.
His brother is not quite right. He has no empathy, he lives for no one but himself. He’s the brain; he controls his brother’s movements, his thoughts, his emotions.
He has no life. None at all.
Taken from Trifecta, and their word challenge for brain.