idk if its guilt or a combo of guilt and missing the life he had.. my W does similar things but now has told me she loves me several times again. one thing i did that was semi natural for me was to pull away after she left each time it set her off. i mean tears total freak out. looking back had i just gone totally dark i think she would have came right back (idk maybe too soon though) so if you are strong enough to do it i would
