I hurt my ex girlfriend and she wants space?

My ex and I recently broke up and it was because I pushed her away due to being scared. I kept starting fights and found things that I could latch on to and drove it until I broke up with her. I was scared bc we could potentially become really serious. I realized after I broke up with her that I pushed her away like I usually do and I want to try and reconcile. She said that she needs space and that she still loves me and doesn't want to sabotage it. She said that I caused damage, pain, frustration, etc. What should I do?
I hurt my ex girlfriend and she wants space?
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