I have been doing Cognitive Processing Therapy, to deal with my PTSD. Having climbed out of the hole of social isolation by myself, even not knowing I was ASD, I have a lot of positives to tell myself.I think my ptsd was triggered
Use every time that you spend nurturing your daughter, teaching her to enjoy independence, as a positive reminder that you are far better than the hurt person you feel like now. You can extinguish the PTSD.