Lucy's silent for a minute.

There are more things on heaven and earth, they say, and dreams, they speak of, and sometimes it gets so mixed up she doesn't know which is which.

It's hard to think and put everything Lucy is musing on and contemplating and being into words.

And it's Mary, so she has to.

"I think I could come back," she whispers after a minute. "But it would hurt. And it would be for need only, and I couldn't stay. If you needed me I would."