Character is a long-term project with daily construction.

Nobody builds character in a decisive act. It accumulates through daily construction so small that no single day feels significant, which is why it is easy to neglect for years without noticing. The timescale is long and the daily requirement is minor, an unusual combination that defeats most attention.

Stop looking for a moment to prove something and pick one small thing to do consistently. Judged over a decade, the boring version wins. Judged over a week, it looks like nothing, which is why most people abandon it.