He did not say anything, either, about his own plans.

He was hurt most unreasonably because of Evadna's behavior, and he felt as if he were groping about blindfolded so far as the Hart trouble was concerned.

There must be something to do, but he could not see what it was.

It reminded him oddly of when he sat down with his algebra open before him, and scowled at a problem where the x y z's seemed to be sprinkled through it with a diabolical frequency, and there was no visible means of discovering what the unknown quantities could possibly be.
He saddled Keno, and rode away in that silent preoccupation which the boys called the sulks for want of a better understanding of it.

As a matter of fact, he was trying to put Evadna out of his mind for the present, so that he could think clearly of what he ought to do.