as for the other issues, I feel pretty strong in these areas. My house is in great condition and I tackle any problem that comes up immediately. I do my own repairs and I am a competent carpenter, electrician, and plasterer. Over time I have rebuilt almost every room in my 100 year old house to my wife's specifications (she is a great decorator) I am very patient with my kids and I spend time with them every day doing things that interest them. I am very decisive, I will give a big decision a few days but when I decide I go for it with my whole heart. I do not complain, ever. It is something that I forbid myself to do years ago and I stick to it. If I don't like something and I can change it then I do. If I can't change it then I accept it or get away from it. Complaining is forbidden.
I think you are missing my point. Those were my issues. Im not suggesting they are yours. But those are some of the things I identified that I wanted to change about myself, and I used my time to address those and improve on this.
Just 'going dark' doesnt really change anything. Sure, it may make your W change her mind for now, but, in the end, she isnt going to step back in to exactly the same marriage that she wanted to leave. This isnt something that just 'blows over'. So what do you need to do to be a better man, husband, father, person, etc? While you are 'dark', that is the time to work on it.