I think you can tell the answer is odd because the multipliers are odd.
In Anne of Green Gables, Anne promises Diana she'll write Tuesday night. Diana promises to haunt the post office to wait for the promised letter.
Haunt, in this context, is meant "to linger". It means to frequent a place, or be relentlessly present.
Children should not be allowed to adjust the bath water temperature when unsupervised, as they may turn the heat up too high and scald themselves. Scalding risk can be prevented by turning down your water heater's temperature adjustment to a lower setting.
