Dragonborn strive to be the best at anything they attempt. They seem driven to to make a name for themselves in everything they do. To be a dragonborn is to strive to be the best.
Have fun with this. You can be like a Klingon, all honor and bluster and barely restrianed violence. Or, you can play a Checkov-like characte, where everything was invented by the Dragonborn first.