Validation means that you validate how he "feels" not how he "acts". Understand and sympathize that he has a right to feel the way he does even though you don't agree with the actions that he's doing.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.
