I
I think the comment she made, whether it's insulting or not, deserves a conversation with her. In my experience, it is not uncommon for dysfunctional people to hire other dysfunctional people as drinking buddies, personal wailing walls, or any other number of inappropriate roles. Just because she is good at her job and you are good at your job doesn't negate the possibility that this is what is going on. She can "endorse" you both because you do a good job and because she likes drinking with you. So your interpretation about what your T's statement means is not entirely correct. But talking about it would be a good idea.