Unfortunately, these doo-dahs are more prevalent than one might imagine. There is even a Hall of Stolen Valor.
Hall of Stolen Valors
Sadly, there are some people who really crave some type of recognition.
There's a little old guy in our town who might stand 5'6" and maybe weigh 145 pounds in his cowboy boots who goes around telling everybody "in strictest confidence" that he killed his first man when he was twelve years old and that he used to be a hit man for the FBI because there were "certain dirty jobs" the FBI couldn't do for fear that it would be traced back to them.
Again, this is whispered to you in "strictest confidence" because if anybody finds out, our former hit man would be "toast." Surprisingly, even though nobody is supposed to know about this, everybody in town knows about it because the guy has told everybody in strictest confidence.
Those who talk, do not know. Those who know, do not talk.