You're at the right place. My situation (very similar to yours) has not changed a heck of a lot since I got here six weeks ago, but I have changed a lot by way of peace of mind, clarity, dignity, etc. Prepare to give it all a lot of time and effort.
I feel you should concentrate on the Last Resort Techniques and take to heart the words you'll see often on this board: it's a marathon, not a sprint. You'll "know" Last Resort, don't pursue, and Dbing in general work, when you begin to feel the difference these stances and actions make in you.
Puppy Dog does offer great advice as sg said; and sg's words of wisdom are worth their weight in gold (to me).
Use your posts to provide more info, provide updates, to journal, vent and p!ss 'n moan. Read others' posts, especially those in similar situations, those whose advice resonates with you and check out Quotes from Divorce Busting (II) near the top of this Newcomers forum.
Talk to you soon.
Gardener
"My soul, be satisfied with flowers, With fruit, with weeds even; but gather them In the one garden you may call your own." Cyrano deBergerac