As we go through life, chances are we will make one or two (or a billion...) choices that we regret. As if that's not troublesome enough, we then waste a lot of valuable time dwelling on these choices, futilely trying to erase and rewrite history. You've got better uses for your time and energy. I hope this will help you move forward.
If you are new to tapping, it will be beneficial to also watch the first episode in the "Tap Out Your Fears" series -- which explains the basics of EFT -- click here.