Hi gertie123
I'm pleased to hear that reading about my story has helped you because reading your story... and the others on this site, as helped to keep me strong too.
Our son in laws are obviously very similar in nature... and as you say, our daughters do love their husbands, so we need to find ways of communicating that don't appear to be posing a threat to their marital relationships... which isn't easy.
You're also right about it being up to our daughters to teach their husbands what their own mothers have failed to teach them i.e. how to share and deal with having two families in their life, in a more balanced way.
Our daughter actually made contact with us, last week, to let us know that she and the children were in town with her husband (business trip) and would like to be able to catch up with us. So, we invited her and the children to lunch, and minded our grandchildren while she went shopping for a couple of hours, before her husband joined us for dinner... and it was one of the best experience that we've had of being with all of them, for a very long time... with no insensitive remarks or attitude on the part of our son in law.
So, although it's very much a one step at a time situation, we do appear to be getting closer to a better relationship. However, I'm still cautiously working on developing some effective strategies for dealing with any future reversals of that situation.