You Are Incompetent

Odds are, anyways. What can you tell yourself that an incompetent person couldn't tell themselves? Make sure you account for selection bias - an incompetent person's most competent attribute is probably a 99th+ percentile one, given that they have thought about more than 100 qualities of themselves over their lifetime and are likely to easily remember the best ones?

Probably a better strategy in the long term to fake humility.

If you're convinced by the sort of study that happens to make it to a physical newspaper, check out this.