Was it my fault

[PoisedPinkLurker]

I had met this girl in college, I started liking her but after sometime, I got to know that she has a bf, I was shattered into pieces and I decided to confess her in order to free up my mind. Initially she rejected me, which was completely OK for me.

Then, we started getting close to each other, and one fine day, when we both were alone in my home, we accidentally make out. Then even after that, we started making out every week 2-3 times.

Meanwhile she got to know that her bf has also cheated on her. So she broke up with him and started dating me.

After a while, I started noticing that her behaviour towards me started changing.
Her texts started becoming dry and uninteresting andbshe also started talking back to her ex(She told him about our makeout and he forgave her)

Then later on, she said that she never loved me and that she is breaking up with me

And today, I got to know that she was not liking that I was being Over Possessive with her (My behaviour never changed, she used to like when I used to get possessive and that even she used to get possessive with me)

Was it my fault ???
Help me folks !!!

We can't know because you haven't described your behaviours.

In what ways did you demonstrate Possessiveness towards her?

Well, she's allowed to change her mind and not want to be in a possessive relationship even if it is mutual. Especially when it's one not built on a trusting foundation (cheating) as it suggests there's no reason for it to improve.

In terms of fault. Ok, you weren't the one cheating but you proactively got involved with someone in a relationship and you behaved possessively so, yes, you can accept your share of responsibility for being in this situation now. Sounds like she's made a healthy decision.