My sitch is quite fresh, but I already tasted that same feeling a couple days ago. I've offered her dinner(proper) several times, only one time I got a couple pizza slices at her place after her -family- offered(because she didn't). Next time she was at my place she asked if she could get some left overs as she hadn't eaten all day and after all I owed her(for the pizza). A bit trivial, but so out of character. It's like they change to a completely different person on several levels.
I try to think that they are in a strange place with a lot of emotions, and even though they initiated this they still have some fears and get scared off easily. Maybe it's a shield they put up? Maybe they don't want to send too much good vibes our way out of fear we will misinterpret?
Yeah...it's like they changed completely! I was wondering too, I felt like my H didn't want to give out good vibes....I guess they are confused.... but I just can't imagine that they care about us anymore I guess at this point, we should mind read so much.....(can't help it yet though) I was apparently bad at this.... And my H says one thing and does another right now....
I don't know about your sitch much yet, will go read later. But I think it's good she still talks to you! My H wouldn't talk to me in any way now...