Why is she hesitant?

I really like this girl and she really likes me. I know she does because she told me and I her.

She is hesitant to get into anything with me because she is scared of my ex. My ex would bully her really. They were kind of friends but haven't spoken to each other in the last 4 months previous to that they hadn't spoke in 6 months. My ex and I have been split for the last 15mths.

There is nothing really stopping us getting together. I haven't pressured her into anything. I've said to let me know if she changed her mind and left it at that.
I have noticed that she is avoiding me. We used to talk a lot, not so much now. I've asked if she wanted to hang out together but now I get she is to busy. I just don't get it.

Any insight into what is going on with her?
Why is she hesitant?
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