This doesn't sound like an argument. I had a similar conversation with ex T and she was sad also. I think she was sad for me that I had been so hurt that I thought that I couldn't trust her to be safe.

I don't think it's sad just being careful but she and I differed on that.

I think it's an important thing for her to hear to know how you feel and how much your trust is shaken. Don't be hard on yourself.