What grinds your gears?

"Jeez I hate how people backbite" laments Rose as she made that concluding statement after telling her ordeal on how she got backstabbed by her best friends, as she was getting her nails done.

"I swear! I just don't know how these people sleep at night," came a quick response from her stylist.

Just as Rose paid up and exited the building.
The stylist and her companion had a hearty laugh on