Haven't all of us betrayed husbands and wives scripted THE APOLOGY? I know I have, many times over. Tbone is right, however, that unfortunately most of us will never hear it even remotely as good as the one in our head. I think you just have to learn to hear it the way it comes out in bits and pieces over the months and years following the A.
BTW, tbone, I've heard that shopping joke and I love it. I think most husbands, OTOH, would never get to the shopping mall in the first place. You'd have to substitute Home Depot for the mall, and the H would be going doing the aisles instead of taking the elevator.