She even had some notion of getting in Jack's way, and of making him miss if she could.

She was seventeen, you see, and she was terribly spoiled.
Jack had never made any attempt to study the psychological twists of a woman's nature.

He contented himself with loving, and with being straightforward and selfish and a bit arrogant in his love, after the manner of the normal man.

It would never occur to him that Teresita was piqued because he had not called her sweetheart, and he straightway sinned more grievously still.
"Go back, the other way! He's liable to start in your direction," he cried, intent upon her safety and his own whim to rope the beast.
Teresita deliberately kicked her horse and loped forward.
It would not be nice to say that bulls are like some humans, but it is a fact that they are extremely illogical animals, full of impulses and whims that have absolutely no relation to cause or effect.

This bull had not moved except to roll his eyes from one to the other of the riders.
If he meditated war he should, by all the bovine traditions of warfare, have bellowed a warning and sent up a whiff or two of dirt over his back, as one has a right to expect a pessimistic bull to do.