"4 question-answer Joke" joke

Q. What's the difference between a rectal and oral thermometer?
A. The taste.
Q. What's the difference between Herpes and love?
A. Herpes lasts forever.
Q. If our ancestors came over on a boat. How did Herpes come over?
A. On the Captain's Dingy.
Q. What's old and wrinkled and smells like ginger?
A. Fred Astairs' face.