Re-Do

So its not a confusing decision, i know That i have to make a decision, it's not a hidden problem.

Ok, and I know the right answer, and I know the wrong answer, there's no gray.

I pick the wrong one.

So...how do i fix it? I know i don't get a straight up re-do, but can I talk the issue through and maybe make repairs now before there is irrepparble damage?