They forget, my wife does and did on a lot of things, pointing it out or resends info, makes them look stupid and us like a know it all parent.
If he asks for the info, then give it again, but don't alude to already gave it to you or anything like that.
I made that mistake a couple times, with I sent you that already, well what was I doing, showing her she was stupid and I'm better than her and that isn't what I want her to feel and me, I'm me, no better or worse than anyone else.