Her host must've been worried by the fact that she didn't threaten him with violence or even pull her wand out of her pocket. If he truly desired to harm her, he could've. Maybe a small part of her was hoping he would do just that. At least she wouldn't have to worry about the future. She was exhausted of fretting about what her life would come to. Ending her miserable existence didn't even sound that terrible. She'd already resigned herself to the fact that she likely wouldn't make it out of that present war alive. What was the use in delaying the inevitable? Her present exhaustion could very well be the sort that wasn't cured of sleep alone.