I disagree. If the REAL reason for their return is not one of sincerity, then the R won't develop.
She he comes back b/c it is financially easier to have a "room mate". He's there for the wrong reason.
From experience, only when the WAS truly commits to the R does it work. IMO.
Bomb 8/09. Brief piecing 12/10. D-2/12 Two incredible kids D9,S6 Leading new life! “Success is not to be pursued; it is to be attracted by the person we become."