She wondered what he was thinking about as he rode.

Not about her, she guessed, except when some bad place in the trail made it necessary for him to stop, tie Snake to the nearest bush, lead his own horse past the obstruction and come back after her.

Several times this was necessary.
Once he took the time to examine the thongs on her ankles, apparently wishing to make sure that she was not uncomfortable.

Once he looked up into her sullenly distressed face and said, "Tired ?" in a humanly sympathetic tone that made her blink back the tears.

She shook her head and would not look at him.