Relationships and Sociology

I need some opinions please.

My ex is an INFJ. The answer should be pretty clear to me. Though there is a slight pattern.

We broke up previously 4 months ago. She ignored my texts for 2 weeks. Eventually she responded to messages on FB messenger. Then eventually a phone call. It took us a month to get back together.

This time, it’s been 2 1/2 months. 3 weeks ago she blocked me on FB. This is odd because we weren’t friends on FB and her profile is friends only privacy. I wasn’t contacting...