I started getting to know a man very slowly and at a distance (due to Covid), beginning in June of 2020; we both come from nightmarish upbringings and years of retraumatization by the world. My developmental trauma is pretty bad; in fact, I had met very few others whose DTD was as severe as mine, and certainly never in a romantic partner.
We started really opening up to each other about our trauma, and the abuse suffered by him and his brother is objectively worse than most. I have PTSD and depression from serious domestic abuse last year, and sometimes, I have really bad days with intrusive thoughts that just spill out. Normally, when I have a traumatic memory, he is supportive, saying he understands and offers support, etc. But when I mention any of the adult sexual abuse I have been a victim of, his first response is to relate by reminding me that he went through the same thing as a child, and it's better not to worry, think about it, et.
Here's my issue and question: After a flashback about a pretty sick rape that happened to me 20 years ago, I was having a rough day and while spending time with my CSA survivor boyfriend starting recalling the traumatic series of events to him (I was drugged and raped by a much older roommate who continued to sexuallyassault assult me for weeks, leaving me strange gifts, etc.), and after I had told him this shit his response was basically, 'cool now every time girlfriend I wanna touch my girlfiend I gotta deal with feeling like a rapist?". His response was so unsupportive and out of character I thought that maybe I had triggered his CSA, so I apologized for bringing it up without a trigger warning. He then said, "I don't need a trigger warning, I mean, it happens. Why worry about it? You know? you make a choice to worry. I worried for years about all the CSA that occurred to me, but it didn't help at all, so I just stopped".
I am confused. Did I trigger an out of character PTSD response in him, or is he just an asshole, CSA or not? Can trauma victims have weird responses to rearing about trauma?