If she is like my wife she just knows you better and knows what to expect. We've been married going on 24 yrs this summer so my wife has a pretty big sample size to form her opinions from. Lord knows that they have a lot of patience to put up with us car guys.
Not sure who broke the site. I was going to make a "My DIY 4L60e overhaul"thread but it gave an error and would nt let me.