An elderly couple was having their medical exams.
After his exam the doctor said to the elderly man, "You appear to be in
good health. Do you have any medical concerns you would like to ask me
about?"
"In fact, I do," said the old man. "After I have sex with my wife, the first
time I am usually hot and sweaty, and then, after I have sex with her the
second time, I am usually cold and chilly."
The doctor didn't have an answer.
After examining the elderly lady, the doctor said, "Everything appears to
be fine. Do you have any medical concerns that you would like to discuss
with me?"
The lady replied that she had no questions or concerns.
The doctor then asked: "Your husband had an unusual concern. He claims
that he is usually hot and sweaty after having sex the first time with you and
then cold and chilly after the second time.
Do you know why?"
"Oh that crazy old fart," she replied. "That's because the first time is
usually around July and the second time is usually in December