There were four sizes of marbles and we called them boulders, biggies, regulars, and teenies.

He and Rebecca then found a secluded boardinghouse to which Will and Susannah would move on Monday. Before the westbound left on Saturday morning, McCaleb spent a few minutes alone with Will. “You'll be released from here Monday,” ... Don't let any grass grow under your feet in Cheyenne; once you're there, head for Box Elder Creek.”

Then he looks at a framed photo from The Daily Pennsylvanian, with the headline “Professor Thayer Retires.” He looks into a mirror, stunned by the face he sees there. And then he says, “Hmpf.” […] Like many older people, I too often say “Hmpf” when I look in the mirror.

Your reasoning seems needlessly abstruse, complex, and verbose for me. I mean, could you dumb it down for my sake?