...a Mother's Day Funny!

A small boy is sent to bed by his mother.
 (Five minutes later)
 "Mom"...
 "What?"
 "I'm thirsty.
 Can you bring me a glass of water?"
 "No. You had your chance. Lights Out!"
 (Five minutes later)
 "Mom"...
"What?"
 "I'm thirsty. Can I have a glass of water?"
 "I told you NO! If you ask again, I'll have to spank you."
(Five minutes later)
 "Mommm"...
"WHAT?"
 "When you come in to spank me, can you bring me a glass of water!!"