It means he has thought about getting back together, and then came up with reasons why you cannot.
I have a process that I use at work that goes like this. You start with a goal and then list out all of the reasons you aren't accomplishing that goal. Each one of those reasons gives you a path to help accomplis that goal, so you list out a plan of action for each item. If you accomplish them, you will reach your goal.
It's the same thing. The goal is getting back together. He listed out all the reasons why you cannot, now you have a roadmap as to what needs to be done so that you can.
It's actually a good thing to know why, so you're not working blindly. Now take care of those reasons!
FLoyd The grass is always GREENER over the septic tank.
