Impotence Cure

The young man was distressed when for no apparent reason he found himself 
impotent. Consulting a psychiatrist, he was thrilled to learn that the 
problem was physical rather than psychological, and that his ability to 
raise an erection would return if he put more wheat in his diet.

Running to the bakery, he asked for ten loaves of whole wheat bread.  
"Having a party?" the baker asked.

"No," said the young man, "it's all for me."

Surprised, the baker said, "But it'll get hard in a day or two."

"In that case," replied the exuberant young man, "let me have thirty 
loaves!!"