Video: How Speaking the Same Love Language Can Improve Your Marriage

After years of counseling couples and families, Dr. Gary Chapman noticed that people express their love in five different "love languages." Knowing your own primary love language, as well as that of your spouse and children, can completely change the emotional climate in your home. Dr. Chapman went on to write numerous best-selling books about discovering your love language, as well as that of your spouse and children—even your friends. Here's a primer, in Dr. Chapman's own words, of what the love languages are and why knowing them can make such a difference.