It's more about helping you get to the place you need to be - about helping you stand on your own two feet. You are right, the majority here don't get the ending they want. The key is becoming the best you can so that if the marriage returns or for new relationships, one is able to go in them stronger and better than the were before.
There are moments in this life when you are so confident in the rightness of your actions, that not even for a second do you consider the option that you might be wrong.
