Jacob feels betrayed by Miss Peregrine because she's a little selective with the information she chooses to tell him. Does he have a point? Is she manipulating him?

Here's another drawback to the time loop: It's like the hotel California. You can check in any time you like, but you can never leave. At least the amenities are nice.

This is perhaps the most tragic part of Grandpa's death: He lived a basically selfless existence, but no one around him seemed to appreciate it. In fact, they shunned him because of it. Tough break, Gramps.