A 75 year old lady went to the doctor for a checkup.

The doctor told her she needed more activity and
recommended sex three times a week.

She says "Fine, so you better tell my husband".

The doctor goes out in the waiting room and tells the
husband that his wife needs to have sex three times a week.

The husband, 80 years old, says "Which days?"

The doctor says "Monday, Wednesday and Friday."

The old man says, " I can bring her Monday and Wednesday,
but Friday she'll have to take the bus"