Creech saw that Bostil was desperate.

It was an almost overpowering temptation.

Evidently Creech resisted it only by applying all his mind to the thought of his clean-limbed, soft-eyed, noble horse.
Bostil did not give Creech time to speak.

"Twenty-five hundred an' Two Face along with the rest!" "My God, Bostil--stop it! I can't PART with Blue Roan.

You're rich an' you've no heart.