An accountant is having a hard time sleeping...
An accountant is having a hard time sleeping and goes to see his doctor."Doctor, I just can't get to sleep at night." "Have you tried counting sheep?""That's the problem - I make a mistake and then spend three hours trying to find it."

A Man's Life is Spent Wondering
The average man's life consists of twenty years of having
his mother ask him where he is going; forty years of having
his wife ask the same question; and at the end, the mourners
wondering too!