I'm Foster, and he's named Brown--if any one gets too curious." "Fine.

Fine because it's so simple.

I'll eat another sandwich, if you don't mind, before I go.

I'll tell a heartless world that fifteen miles is some little stroll--for a guy that hates walkin'." "You're paid for it," Mert growled at him rudely.
"Sure, I'm paid for it," Bud assented placidly, taking a bite.

They might have wondered at his calm, but they did not.