Initial Form: "You want me to travel with you and help you deal with other Pokemon. And you say you'll give me a home, and take care of me. Okay, let's go my new friend."
Evolved: "I thought I was going to see the world, but all I see are fights against my brethren. Why do they make us hurt each other so?"
Final Form: "That kid wants what? Tell them to go screw themselves! Me and my 140 proof friends are having a little party."
PTSD Pokemon was soundly rejected by Nintendo, especially after an incident that they don't talk about, but not before having to pay a large sum to Ash Ketchum to prevent a lawsuit.