He might, he might not. Some people do, some people don't.
Two months isn't very long in terms of recovery, and it probably will help you a whole lot if you aren't scrutinizing every action to see whether there are signs that he is or is not growing up.
Staring at a plant, or a child, or a recovering alcoholic, doesn't make it grow any faster. Growth happens (or not) on its own timeline.
Concentrate on your own growth and eventually you will decide whether you want to continue with the marriage.