The place seems warm but a bit old. Billy thinks it's okay to stay there.
The Landlady opens the door very quickly, which might mean she's excited or in a rush.
Billy should have been careful when he saw no other guests' stuff and old names in the guestbook. I would also be careful because these things seem strange.
There aren't any other guests' things, which shows not many people have stayed there recently.
When Billy sees names of missing boys in the guestbook, it seems something bad might have happened at the Bed and Breakfast.
The Landlady keeps interrupting Billy, which makes it hard for him to think clearly.
The missing boys' names in the guestbook suggest they might have had a bad experience at the Bed and Breakfast. This makes us worried about what could happen to Billy.
The Landlady's strange actions and the story about the missing boys hint that something bad might happen to Billy, especially with the use of poisoned tea.