Should I call or not?

My girlfriend of one year abruptly broke up with me while on a date a few nights ago. Up until that time she had almost been obsessively infatuated with me and wanted to become enmeshed soon after we started dating. She said she felt "broken" and later "burned". She said that she throws herself fully into things and then when she tries to pull back...just keeps on pulling. I had been relatively distant/busy recovering from a long marriage that failed prior to our meeting and had some family deaths this year. She would call or text multiple times a day. Now zip. I miss her...but I want to respect her decision...but I don't want to lose her. She sounded very firm..as though she was just not happy. I think she loved me a lot..and I know I do her. Not sure what to do..except feel awful.