From Kallys tragic accedent Peter can't take the pain. Kally had a very adventurous life and some tragic and frightening accidents. Can Peter handle all the pain or will he give up all together? somthing tragic happens at the funeral. See in chapter 6 how the book ends.
Kally chooses to drive but then somthing terrible happens. Wait to see what happens when Kally tries to drive the first time. But there is still one more chapter to go but read chapter 5 to see what Peter does.