My last girlfriend was an INTJ. I’m an INTP. She was more like your ex-boyfriend though in that she needed resolution NOW. It takes me days to figure out what I’m feeling.
I picked up and stayed with a therapist. She dropped hers.
I loved the bluntness and always knowing where I stood. The black and white world she lived in though offended my 50,000 shades of gray world.
We were doomed from the start. When it was good, it was SO good. But when it was bad, it was killing us both.