May I ask what are these reasons?
The one she used at the break-up talk was that I was immensely into discussion (I am) and she doesn't really like that. It's true. We don't match on that point.
However my discussion need never really surfaced when we were together, I already knew she wouldn't be into that.
She knows that I like discussion because I told her so and because we did a D&D session together where she complained that we should discuss less and do more as a group. I and the experienced D&D guy disagreed, saying that it was an important aspect of D&D to discuss. She clearly didn't like that.
I think I can contain my discussion need when with her. It'll obviously cause some problems if we are together, but they can be overcome. I know very well how to politely discuss and bring critique. At some point I told her I always give unsollicited advice and she said she wouldn't really like that. Then I gave an example of sugar-coated advice and she agreed that that was alright.
After the talk I asked her if she would like meeting up again after the 6 months (the main reason for the break up). She said that was still too far away to tell, but agreed that if the logistical problems weren't there, she wouldn't have broken up.
The other issue is something that started the same day but after the break-up talk. I saw her smoking (for what I know her first cigarette) and it broke me. I'm quite emotionally against smoking, so seeing a girl I love doing something I'm extremely disgusted by breaks me. But we already broke up, so I moved on. The vision of her smoking haunted me for a few days though.
About a month later I learned from a mutual friend that she started smoking... I was silent for a while. I planned on texting her that I wouldn't be interested in seeing her again unless she stopped smoking. I waited with it for a confirmation that she really picked up smoking. The confirmation never came though.
One of her good friends smokes and she with all her Fe probably joined in just to belong. I can understand that, but she better not keep going with it.
Currently the plan is to just ask her for a casual date when I return to town in six months. See if she still smokes, see if she maybe found a different guy and see if she's still interested in continuing. This was basically my plan all along. But I managed to get her out of my head, tried dating others (failed due to various reasons). But now she returns in my head. I found myself reading our old texts when everything was going well etc...
I know she was really into me, because different and seperate mutual friends told me she was REALLY worried by the fact that I would move out of town for 6 months. It bugged her for a few weeks, until she finally ended it. I planned to confront her about it and talk about her worries, but didn't get the chance.