There is an expression and Forbes article in their archives about Conflict Avoidant behavior. I've seen this used to describe married men, that carry on affairs of the heart, and it's the best descriptor I have found about why they remain emotionally unavailable. Even if, the article is short,sweet and talking about business managers losing quality staff, when they behave conflict Avoidant.
Sorry, he said all those things, then pulled the rug from you. It's definitely him, with unaddressed stuff, though you are the one hurting. He's probably hurting, as well. If he wasn't emotionally addressing his past, he may be masking it. It's one thing, to intellectually comprehend, the past, another to revisit, feel it, and tidy it back up. Into one's figurative luggage.
Sent from my LGMS323 using Tapatalk