NEVER GIVE UP if your M is really what YOU want. A D is just a piece of paper. YOU can tell your H that you wish there was a way to build a friendship with him (because that new friendship is really where the new M starts)...That rebuilding CAN happen after the D.
You should feel free to say anything you want to your H at this point. Because nothing you say that scares him will change the course for you BUT something you say MAY begin to change the way he sees things NOW. HE may also be unsure of this decision as well.
Take a chance and accept the outcome. Life is to damn short. T2