THREE RIDDLES

1. What was the cryptic warning given to Andrew's bride-to-be?
2. What kind of salad is rude?
3. What do you call a Naval officer who's an expert in astrology?

Answers:

1. Marry and rue.
2. Caesar salad (seize her) 
3. Ensign of the Zodiac

Credits:
 #1: Nancy Salomon and Sherry O. Blackard
#2: Cathy Allis Millhauser 
#3: Tony Orbach