The First Headache

God said 'Go down into the valley'
"What's a valley? asked Adam' and God explained it to him.
Then God said 'Cross the river'
What's a river? asked Adam
and God explained it to him.
'Then God told Adam.' On the other side of the hill, you will find a cave'
'What's a cave? asked Adam, and God explained that to him.
'In the cave you will find a woman' said God
'What's a woman? asked Adam.
So God explained that to him and said 'I want you to reproduce.'
'How do I do that? asked Adam. So God explained.
So off went Adam down into the valley across the river, and over the hill and into the cave and found a woman.
Five minutes later he was back.
God said angrily, 'What is it now?'
And Adam said 'What's a headache?