Depends on how important the mistake is
Be very smart to change into the better one! :-)
It depends on how much I love them, and if the good parts of their personality outweigh the flawed parts.
Did someone leave the cap off the toothpaste?
Depends on what the mistake is.
Second chances are good but not 3rd or 4th or 5th and so on.
Depends what they are doing, if its cheating move on