The werewolves are on their was, so she can't see anything that will happen now. It makes her uncomfortable to be blind.

“I lay in my bed a few minutes later, resigned as the pain finally made its appe…”

“Take care of my heart, I've left it with you.”

“What is she to me? Except a menace — a danger you’ve chosen to inflict on all o…”

“Bella, I've already expended a great deal of personal effort at this point to k…”