My dear so many times we have regretted our actions and want to go back in time to make things right, but believe me we can only pray to move forward and not backward. Am sure if you were to go back in time to make changes you would still feel you made some mistakes too after you must have come back to the future.
Am just saying that what ever choice we made couldn't have been any better, If it were not for them, I wonder where we would have been by now. So we need to think ahead and not go back, because it can only get better. Stay awesome dear one.