Easy: my mother drilled it into me for years that a prank played after 12 noon on April 1st made you the fool, I've abided by that rule of the game for 35 years

Easy: my mother drilled it into me for years that a prank played after 12 noon on April 1st made you the fool, I've abided by that rule of the game for 35 years, I'm not about to start breaking it now.