Here are the 3 phrases people use when they're about to lie to you or say something harsh. According to psychology experts, we use them because we feel like they distance us a little bit from the lie, which makes us feel better about it.
"I want you to know." Example: "I want you to know, Meg, that outfit looks great on you." -Murphy
"As far as I know." Example: "As far as I know, Murphy, everyone loves your new haircut." -Meg
"To be perfectly honest with you." Example: "To be perfectly honest with you, Meg, those pants don't make your butt look big at all. (As long as you're in a dimly lit room and the person you're asking is at least partially blind." -Murphy