When dealing with difficult people, the best course of action is to tell them exactly what they want to hear. It's all about being direct, clear, and brutally honest. No beating around the bush or using euphemisms. Just say it like you see it, with no sugarcoating or softening of the blow.
Remember, the goal is not to make them feel good, but to get the job done.
Side Effects: They might get upset, they might get angry, but they might also start to respect you. And if they don't, well, that's their problem, not yours.
For more tips on dealing with difficult people, check out Tip 5: Be Firm But Not Funny.
Want to know more about the art of being brutally honest? Read our Principles of Brutal Honesty for more in-depth advice.
Or, if you want to see what happens when you don't tell it like it is, check out our Tip 6: Get It Twisted.