What do you think of an ex-girlfriend asking me for advice about her new relationship?

Anonymous
My ex-girlfriend (we were together more than 3 years) as soon as we broke up, got a new boyfriend. I dumped her, because she behaved extremely bad with me. (long story.)

A few months later, she calls me and says she "needs someone to talk to" because she has some serious issues with her new guy. I suggested she better talk to one of her girlfriends and she said she "does not have anyone else she could trust as much" as me. After that stroke to my ego, and to be frank I was quite curious about the situation, and the truth is I also felt I wanted to help her if I could, In the end acceded to talk about it.

For what she says, her new boyfriend treats her like crap, yells at her, curses and once while being mad, he did "shake" her violently so that she "thought he was about to hit her or something." I advised that if the guy was violent, probably was a good idea for her to leave him.

She said she wish she had appreciated me better before. She said I was a gentleman to her (I opened doors, walked on the outer side of the walkway, pulled her chair out and that sort of stuff) and that she knew I would have never treated her like that. I was very surprised she would say something like it.

Two days later, contradicting what she had just tell to me about her new relationship being terrible, she made their relationship public in Facebook, put a lot of pictures of her hugging him, and stuff like that. -I know I had no business looking at her pictures, but Facebook puts them up your face -

My question is, What do you think about this situation? Why would a girl do something like this? Do you think she was honestly in need of advise or she just wanted to rub me her new relationship on the face? I quite cannot make sense out of it all.
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By the way, I'm not even a tiny little bit interested on going back with her. I still have to heal from such a long and intense relationship, but I am not looking back, that's for sure.
What do you think of an ex-girlfriend asking me for advice about her new relationship?
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