What do you think if I told you I have made a mistake?
It sounds serious. What kind of mistake did you make?
I made a mistake by getting into the wrong line
It is good when you realize you have made a mistake to try and correct it. Everyone makes mistakes.
So? Do I get to be a jerk if I tell your mistake to someone else?
Sure, like I said, everyone makes mistakes and I am not afraid of owning up to them. If telling others about my mistake makes you feel better about yourself, then go right ahead. Whatever I can do to help you feel better.