Patience is key, as you've probably read elsewhere.
You are in for a rough time, for a long time, whether your marriage gets back on track or not.
Someone gave me some good advice last week: Just focus on the next five minutes. Do the best you can, be the person you want to be, do what you need to do, 5 minutes at a time.
Me: 35 Her (WAW): 34 D8, S5, D2 T:16, M:9 BD + D: 4/3/2015 EA Confirmed 5/6/2015 Separation under the same roof