#communication

--Sammy, thank you for throwing your trash on the ground for me to pick up! --Daddy, you're sarcastic all the time but I don't mind.

To be tactful is to be discreet, not discrete, but the noun form is discretion.

ME: Where'd you get that stuffed animal? AVERILL: My girlfriend gave it to me. ME: Oh well that's sweet, but maybe you should give it back. She might end up missing it. AVERILL: No, she said she doesn't like it because it's ugly.

No you're the dummy

"I didn't know this meeting was happening. Then again, I know how some people love surprises." --Roger Sterling

Definitely one of the most invaluable bits in my book on oneupsmanship.