Yes, start focusing on you. Read Divorce Busting and Divorce Remedy.

Start working out, lifting weights, and dressing attractive. Work on being an amazing dad, do fun things with the kids and have a fabulous family. Regardless of what she decides to do, you work on being a great listener, giving compliments and working towards becoming the kind of guy any woman would enjoy being with. The basic thing is you have to become a better guy, husband, or "catch" and hopefully you're wife will work through her MLC and wake up before she loses something really valuable and special.

There is no arriving, ever. It is all a continual becoming.