In Franz Kafka's The Metamorphosis, Gregor's sister, Grete, becomes Gregor's sole caregiver after he turns into a giant insect. Complete this passage about Gregor's mother.
Gregor's mother, Mrs. Samsa, appears as a 
 to her 
 husband. However, although she tries to prove her maternal love to Gregor, she fails miserably. When Grete asks her mother to help her in clearing Gregor's room, she refuses because 
.