"You're saving me from madness.

Somehow I have faith in you--to do whatever you want.

But how could you tell Collie she'd never have to marry Buster Jack ?" "Because I know she never will," replied Wade, with his slow, gentle smile.
"You _know_ that ?" "Sure." "How on earth can you prevent it?
Belllounds will never give up planning that marriage for his son.

Jack will nag Collie till she can't call her soul her own.

Between them they will wear her down.