After Karl revisits his home and gives a "Reason You Suck" Speech to his senile/insane old father, he visits the gravesite he created so long ago for his premature little brother and honors him briefly... "Little feller."
Karl proclaims that he'd never hurt Linda or Frankie, and would lay his hand on the Bible and say the same thing.
Despite not seeming to be interested in Melinda, Karl Keeps the flowers she gave him.
Everybody except Doyle seems to get along with Karl just fine. Even Doyle's band.
"That boy, he lives in his own heart... That's an awful big place to live in."