Opposite Effects

“The matrimonial fever seems to be raging in this vicinity,” said a smart young man to a young lady in a street car.

“Are you sure it only seems to be?” said she, not wishing to commit herself.

“It is raging about as bad as the yellow fever in the South last year,” said he, further pushing his opportunity.

“Yes,” she replied, in a utilitarian tone of voice, “but it has just the opposite effect upon the population.”