I'm glad you finally learned all this helpful stuff. I never/rarely mentioned I was in therapy to my parents because I knew my Dad didn't like psychiatrists but I didn't know why. My stepmother's and my relationship was most of my problem so. . .
But while in therapy I learned from my aunt that my mother, who was ill from before I was born and died when I was 3, had had seizures from 2 years before I was born and they told her it was "all in your head" and sent her to the psychiatrists when, in fact, she had a brain tumor. This was in the 1940's before they knew much about such things so sort of understandable but that was really helpful having that piece put in its place to understanding my father! Your father's reaction to the car-in-the-closed-garage story reminded me of that.