Look on the bright side. He didn't yell and get defensive!!!
Your WH acknowledged your request, acknowledged he could have handled the situation better and will work harder at it.
That is actually a WIN Markay81.
Yes the change process is slow. They have spent their whole lives practicing the bad habits, they won't be able to stop it in a day, a week or even a month. It should gradually improve.
And you know what? Pointing out "hey bad habit, stop it" is exactly what you should be doing. It will help him recognize his bad behaviors and give him the opportunity to correct himself. It will also help you exercise maintaining healthy boundaries.