"And once you do? Is there some meaning to being the strongest? If you really are the strongest, why do you have to prove it?" Stein continued his questioning. His smile widened. "Or could it be... that you aren't actually sure you're quite so strong? After all, you haven't beat him yet. Rock's the one everyone looks up to now. Even you."

There was a fine line between admiration and jealousy, and it seemed Frank had crossed that in his delusions, focusing his anger on his brother. If he could just beat Rick, he would be the better man. Too bad that only worked for fighting robots.