Especially if it's a friend. For example, they're passive aggressive, they minimize your feelings or use patronizing language, tell you you're overreacting or constantly disagree over things nobody else argue about when you mention it. If you bring it up they tell you *they* don't see it that way – and then follow it up with "I'm just being honest." Or a classic "I don't wanna be harsh but.." and then proceed to choose to be harsh.
Best way to deal with a person like that?