In Breaking Dawn Edward tells Jacob the he can kill him if Bella dies seeing as he doesn't want to live without Bella.
At first Jacob agrees however later on, once they believe Bella to be dead, Jacob says he will not kill Edward as he wants him to suffer.
Answer:
The real truth could hurt more than say perchance a white lie
Explanation:
Because he was very curious to find the answer to his questions
Answer:
This is the answer of your question.