So how is your measuring on what is working vs not working going?
How long are you in this aspect of the plan now ? I think you said you would give it three months.
And yes your thoughts of a pure focus on H is not healthy. As you can see the fall-out within your mind that is occurring.
You know you can keep working on the civil and communication. And just let him be. If he wants to shut the door. Then that's that. Carry on. He has the choice to open it or not. Our Relation talks get old after awhile. So let the ebb and flow of these talks take on the ebb aspect. Take a break.
I think you are feeling guilty about the self because you have always failed your marriage and commitments when you go down that path.
Flowers always make people better, happier, and more helpful; they are sunshine, food and medicine for the soul. unconditional love is awesome!