You shouldn't make others wait.
BKR is a tournament dancer and is the star competitor in an upcoming dance competition.
BKR wants to make a grand entrance to the competition.
BKR arrives 15 minutes early to hog the attention and talk with the press.
BKR decides to be fashionably late and delays his arrival by an hour to attract attention.
BKR gets the attention, performs great, and wins a prize in the tournament.
The tournament starts without BKR and he gets nothing.