While you're waiting for the book to come in, stay calm. Continue to be kind and neutral. No R talk, no arguments.
Has she given any reasons for wanting to D? If so, do you find any of those reasons valid?
Have there been any marital issues for you? Describing how the marriage has been may help you to receive more responses/advice.
All the best to you on this journey.
me: 30 H:30 tgthr:7 m:4 no kids 5 counseling sessions initiated by H as a LR: Oct 2012 long distance marriage b/c of work since Nov 2012 official BD: July 2013 nothing filed 1/1/14 I dropped the rope