Stomach ache

Little kid, a six year old , complained..
"Mother, I've got a stomach ache..."

"That's because your stomach is empty", the mother replied. 
"You would feel better if you had something in it..."

That afternoon her daddy came complaining that he had a severe headache all day...

Da kid perked up out of no wea n replyd to his dad...
"Ooooh, so sorry dad... That's because your Head is empty,
you would feel better if you had something in it...."