"Look, I don't know what kind of bleeding-heart pansy bullshit they're teaching in boot camp today, but I don't call anyone by his first name," the sergeant scowled. "It breeds familiarity, and that leads to a breakdown in authority.  I refer to my recruits by their last names only --Smith, Jones, Baker.  I am to be referred to only as 'Sergeant.' Do I make myself clear?" 

"Yes sir, Sergeant!" 

"Now that we've got that straight, what's your last name?" 

The recruit sighed, "Darling.  My name is Paul Darling." 

"Okay, Paul, here's what I want you to do ....."