I just don't see the point of doing all that you did if you are going to tattle on yourself later. I know it must have been great fun, and made you feel powerful. And now it is over, and there is no more excitement. That must be a letdown. Considering the distance, it is not likely that he will find out that she got emails that he didn't send. Despite all that you do know about his affair, my bet is that he is still not telling you everything either.