Jenna Blocking someone's path is a pretty strong action. It's no surprise he used the WAS card.
For the longest time I couldn't deal with my W stepping off. So I'd similarly pursue her as we yelled at each other. Now if she walks I let her. We both use the time to calm down. (Arguing while angry is very counterproductive anyway). It also reinforces the notion that she is free to walk if she so chooses. That I want to be with her but I'm not going to force her.
If the issue is really that important we can discuss it once we both calm down.
I wouldn't be surprised if him walking trigger feelings of abandonment in you. By you chasing him you are putting him in the position of advantage.
