Board Thread:General Discussion/@comment-25394244-20150328031501/@comment-26284218-20150328061138

1. That's because she left her home behind and she wants to go back to what she knows.

2. It's a pink diamond possibly standing for Rose

3. If she really didn't care about earth then she wouldn't be putting it as much work/effort as she has been. (practically almost dying on some occasions)

I feel like this theory's a bit of a reach.