Clay, One thing to remember, do not bring up the marriage/relationship w/her for now. Just be a friend, listen and if asked, provide your opinion/advice on things. She's got a lot of growing up to do and she needs to do this on her on at her own pace, i.e., it's her journey to take.
One of the main ingredients for the LBS is patience. You will need a lot of patience in the days ahead.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.
