"let's go on to the subject of Non Player Characters."
"yes. first of all never cuss, moon, or give the single finger salute to any NPC. they're locally known, your a stranger, end of case."
"something you should also know is that you might be able to bargain with the NPCs to get a higher reward if you're polite, calm, maybe deceptive even."
"and if you want to impress them, you could try speaking in their native language."
"like that time you tried to speak elvish?"
"DANG IT URTHWRATH! I TOLD NEVER TO MENTION THAT!"