For me being triggered and working through whys triggered me is the most powerful part of therapy. It tends to happen to me in Group therapy. Someone will say something that triggers something I didn't even know was a trauma for me and I get a chance to work through it either in group, with my group T or in individual therapy with my individual T.

The more you get triggered and work through it the less that specific trigger will set you off. It sounds like that's what your doc is talking about. He sounds totally okay with taking through this stuff with you.