Hi OSJ - so pleased that you and dh are looking to give things a go. No doubt you'll have good & bad days over the weeks and months ahead but it's great that you'll have dh for support, particularly if you're dealing with painful issues from childhood. I do hope that your NHS counsellor is helpful and that you hear back from Relate soon because, between them, they represent the real start of your journey.
MB's suggestion of writing a letter is so simple but such a good idea. I would love to know how you feel in six months or so, when you check back and, hopefully, be able to see some significant changes for the better in all aspects of your life.