A college student his mother and asked her for some money.
His mother said that she would send him money and mentioned that he had left his calculus book when when he visited two weeks ago and asked if she should send it too.
"Uhh, oh yeah, o.k." Responded the student.
Mom wrapped the book along with the checks up in a package, kissed Dad goodbye, and went to the post office to mail the money and the book.
When she gets back, Dad asked, "How much did you give the boy this time?
Mom replied, "I wrote 2 checks, one for $20, and the other for $1000."
"That's $1020!" yelled Dad. "Are you crazy?"
"Don't worry hon," Mum said, as she kissed Dad on the on top of his bald head, "I taped the $20 check to the cover of his book, but I put the $1000 one somewhere between the pages in