Much less annoying than the current “The answer Y you gave me is wrong, answer is X” “Oh, right, I’m sorry, i made a mistake, of course it’s X, because of x” “

Much less annoying than the current “The answer Y you gave me is wrong, answer is X” “Oh, right, I’m sorry, i made a mistake, of course it’s X, because of x” “No it is actually Q, not X” “Oh, true, I’m sorry, I got distracted. Of course, answer is Q because q.”