Grandpa: Hey, your chickens are nice!
Me; Thanks!
Grandpa: I don't see any roosters...
Me: Weeelll.. I can't have roosters where I live.
Grandpa: Huuuhh??? Then why did ya'll get chickens?
Me: So we could have eggs!
Grandpa: Whuuuut??? You can't have eggs without a rooster!
Me: HA!!! HA!!! HA!!!
Grandpa; What's so funny?
Me; Mmmmmm..... These eggs are good! They came from our chickens.
Sister; GAAAAAAHH!!!
Me: What's the matter?
Sister: (Runs to trash can, gagging and coughing.)
Me Gasp!) Oh my, are you okay?
Sister: WHY didn't you tell me?
Me; Tell you what?
Sister; That those eggs came from those nasty chickens!
Me; Why can't you eat our eggs?
Sister; Because they came from those nasty chickens!
What's so funny? your answer should have been mothers are all women, but not all women are mothers, that should let the kid know all he needed to know...