Yes that behaviour will not help you. You know thatnow. Being aware is important.Going forward you need to control that as much as possible. Don't beat yourself up over it. What's done is done. You have apologised.MMove on. Do not apologize again as repeatedly apologising is seen as weak by her.
Plus your problems started long before. Did she explain why she checked out? What were the issues that she sees. Often a WAW will give factual reasons at the time of bomb drop. You need to understand her issues,from her perspective. But at this stage I would not urge you to reengage discussions with her to find out more. She has asked for space,iit is best to give it to her...... but do not move out.
It is not always the case but often here, someone asking for space means there is someone else in their minds. Have you any suspicions in relation to that. The presence of another person changes the dynamics and hence your approach. Snooping at this stage could damage your chances if caught.
Continue posting info about your R and people will come. This is a great place with some great people.
R 25 years M 14 years S11 & S13 Working on it alone since Oct 2014 M in trouble a lot earlier (~2 years) Feb 2016. 1st R chat in a yr. Next R chat Aug'17 Still together