Muddle, I am 100% with you on the "doing things her way sometimes instead of having to do it my way" and tying that in with my need to be right all the time. I really do think I still do that a lot and it does make my W think I think she's stupid or that her ideas suck. I have NO problem now going into a situation and being secure enough to listen to her ideas and then implement them, especially if it's something I am doing for her, or with her. Why not, especially if it's just a "different" way not better or worse.
Like you said, it may be small things, but I think those are where the cracks in the armor start.