I think this short book which can be read in full at this link, would be helpful to anyone including ADHD folks and those in relationship with them:
It all comes down to nonresistance. And as we know, Jesus advised: "Resist not."
Prescriptions for Happiness:
1. ASK FOR WHAT YOU WANT—BUT DON’T DEMAND IT
2. ACCEPT WHATEVER HAPPENS—FOR NOW.
3. TURN UP YOUR LOVE—EVEN IF YOU DON’T GET WHAT YOU WANT