Age and it's interpretations!

HAVE YOU EVER BEEN GUILTY OF LOOKING AT OTHERS YOUR OWN AGE AND THINKING,
SURELY I CAN'T LOOK THAT OLD?

WELL...YOU'LL LOVE THIS ONE.

MY NAME IS ALICE SMITH AND I WAS SITTING IN THE WAITING ROOM FOR MY FIRST
APPOINTMENT WITH A NEW DENTIST. I NOTICED HIS DDS DIPLOMA, WHICH BORE
HIS FULL NAME.

SUDDENLY, I REMEMBERED A TALL, HANDSOME, DARK-HAIRED BOY WITH THE SAME
NAME HAD BEEN IN MY HIGH SCHOOL CLASS SOME 30-ODD YEARS AGO. COULD HE BE
THE SAME GUY THAT I HAD A SECRET CRUSH ON, WAY BACK THEN?

UPON SEEING HIM, HOWEVER, I QUICKLY DISCARDED ANY SUCH THOUGHT. THIS
BALDING, GREY-HAIRED MAN WITH THE DEEPLY LINED FACE WAS WAY TOO OLD TO
HAVE BEEN MY CLASSMATE. AFTER HE EXAMINED MY TEETH, I ASKED HIM IF HE HAD
ATTENDED MORGAN PARK HIGH SCHOOL .

'YES. YES, I DID. I'M A MUSTANG,' HE GLEAMED WITH PRIDE.
'WHEN DID YOU GRADUATE?' I ASKED.
HE ANSWERED, 'IN 1975. WHY DO YOU ASK?'
'YOU WERE IN MY CLASS!', I EXCLAIMED.
HE LOOKED AT ME CLOSELY.

THEN, THAT UGLY, OLD, BALD, WRINKLED, FAT ASS, GREY-HAIRED, DECREPIT,
SON-OF-A-BITCH ASKED ME : 'WHAT DID YOU TEACH?