Once a mother sent her 16-yr-old daughter to the doctor because she had a severe cold for a long time.
The doctor asked her, "What is the matter with you, missy?"
She replied, "My mother thent me to you becauth I have a thevere coldth."
He asked her to lie down as he listened to her heartbeat through the stethescope.
"Big breaths," he ordered.
"Yeth, an I'm only thixteen, too."