Originally Posted by CyberSEO

Say if someone has grown up in a Hannibal society. Would an anti-Hannibal therapy make him forget a taste of human flesh? Or is it possible to turn him into a vegan? Perhaps it will work in a few cases, but not much...

Maybe you've seen those documentaries about people brought up by wolves from their childhood. You can teach them to understand human language and even to speak, but they still feel themselves like wolves.