I hope you will be more careful next time.

After the erroneously experienced this is the line that you should always remember and you must learn of what of you have done.
Gamblers are human that possibly made a mistake unless you are an AI robot that only had zero percentage of doing mistakes.
Just like when I was playing poker before, instead, my decision is to fold my cards but my lazy fat finger chooses the check button and it ends up losing to me.