I am VERY happy to say the woman wasn't my therapist - she was someone I was making small talk before a performance. It went from small, pleasant conversation to her freaking out on my life choices.
What your doctor did sure sounds like projection to me!
I also had a happy, vivacious great aunt who choose never to have children (possibly because she was one of 12 kids!). She lived to be around 90 and her funeral was packed with people of all ages. She was a character and I always admired her. I am also fortunate to have quite a few childfree friends of all ages who are happy with their lives. The people I know who are the happiest live their lives on their own terms, parents or not.