The Recess!! (S.A.S.) The undone

There's a good reason why we were not equipped with a rewind feature that would allow us to go back in time to fix things. One reason is because we would never move along in time. The other reason is because the mean-spirited would redo bad things.

What would you redo if you had a maximum of 3 redos per year? Are you satisfied with the results of your actions or not?