midnight
Want of food was giving her a sensation of weakness and sinking . But this seemed also to be the result of mental , and not physical , suffering . She was torn by a desire to retreat . Then darted through her mind the remembrance of Marylyn 's midnight confidence . It was a blow on a wound . She glanced at her sister entreatingly . And what she fancied she read in the other 's eyes instantly altered the desire to turn -- made her send the mules forward at a better pace .