Only again and again, not again and again.

Things are acceptable once or twice, but beyond that, they are unacceptable. "Just repeat over and over again, not over and over again" is a common idiom. In personal life, some mistakes can only be made once or twice, which is acceptable and understandable, but they cannot be repeated indefinitely, otherwise it will affect personal growth and development, which is unacceptable. Remind people to cherish every opportunity, not to repeat the same mistakes or behaviors indefinitely, and learn from them and make continuous progress.