I think it is quite true that you may not know just how unhappy or disfunctional your marriage was until you are out of it. I did know I was unhappy, but I didn't really have anything to compare it to.
Now that I am in a truly good and happy R, for almost a year now, I am in awe almost every day of how I had no clue how things we supposed to be...
"Success is the sum of small efforts, repeated day in and day out." Robert Collier
"One's best success often comes after their greatest disappointments." Henry Ward Beecher