Boo!
Sandman, one of the most poignant moments in a father's life comes when he gets everything ready to do an annual ritual like Halloween, only to hear, "Oh, sorry, Dad, I'm going out with my friends."
You just kinda sit there and watch her go out the door, climb into a car with a bunch of laughing teenagers and drive off. It's a melancholy moment.
Then you shout, "Free at last! Honey! Get your steppin' out shoes on, we goin' to the waterin' hole for a Halloween shindig!" :)