She grew hot and wet and out of breath.

Her heart labored.

An unreasonable antipathy seemed to attend her efforts.

Only her ridiculous vanity held her to this task.

She wanted to please Glenn, but not so earnestly that she would have kept on plodding up this ghastly bare mound of cinders.
Carley did not mind being a tenderfoot, but she hated the thought of these Westerners considering her a weakling.