I am not so sure I would dispense with the "love letter from God" idea out of hand. I think about the letters my wife wrote to me while I was in the Navy. What does one do with a love letter, especially when separated from their love? They cherish it, re-read it, study it for every nuance present. It prompts a loving response in return. I wish more Christians cherished the Word of God in such a way. Oh, love that will not let me go...
Perhaps I am reading Brian's comment in too simplistic a fashion. Then again, some may be reading more into his statement than he intended. Just musing...