[Zukin]

I've never been married, so feel free to take this advice with a grain of salt, but the books by Dr. John Gottman do a great job of explaining the dynamics of marriage & love (and lots of married people seem to agree according to the reviews on Amazon.com)

Amazon.com: Why Marriages Succeed or Fail: And How You Can Make Yours Last: Books: John Gottman

Amazon.com: The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert: Books: John M. Gottman,Nan Silver

Amazon.com: The Relationship Cure: A 5 Step Guide to Strengthening Your Marriage, Family, and Friendships: Books: John Gottman

Maybe the books will help.

There's also some married people on the forums. Speak up, folks!