It's only when one makes a mistake, then he/she will go back in time and reflect upon what should/shouldn't have been done. One will calmly sit down and think. But so what? Often, people think and then they forget. We need to learn from our mistakes. But we all know that it isn't easy at all. Many people make mistakes unknowingly and assume that they're always correct. But I guess it's understandable. We just have to learn to appreciate and accept things, just the way they are.
"The important thing that must be remembered about mistakes and failure is the fact that it's not who we are, but something that we did. We made a mistake or had a failure, but that's part of the game of life. Without mistakes or failure, there cannot be progress or advancement. So, let's look at them as learning lessons and not as personal flaws."
