It must have been those "I'm not a doctor, but I play one on TV" commercials that made people like Sex in the City's Kim Cattrall think playing a sexually-liberated character on television qualified them to dole out relationship advice to the masses. Between her tomes Satisfaction: The Art of the Female Orgasm and Sexual Intelligence, Cattrall is a regular Dr. Ruth. Lucky for us, it looks like she started a trend.

Following is Cattrall's sexpert footsteps is Desperate Housewives' Felicity Huffman. On January 23rd, Huffman and co-author Patricia Wolff will release A Practical Handbook for the Boyfriend: What Every Girl Needs to Know. Felicity is one half of Hollywood super couple Filliam H. Muffman, or so she and husband William H. Macy were dubbed by Stephen Colbert. She obviously knew how to snag her man and, well, she plays a sexy lady on TV so what advice does she have to offer the unglamorous among us? Here's a peak: