there's difference between bragging (bad) and sharing/celebrating one's accomplishments (good). Here's an essay written by a one time Medium friend that I think of when this comes up: https://medium.com/illumination-curated/celebrating-success-to-be-successful-793ccbc0e339

If you don't have the bandwidth for that 15 minute version, she followed it up a few weeks later with a 5-minute one https://medium.com/illumination-curated/celebrities-celebrate-themselves-and-you-should-too-oprahs-tickets-to-timeless-fame-8a379e1047c9