Read MB materials. I liked 5 languages, too, but got a bit disgusted with the author when he wrote a similar book for the workplace--where most affairs start, and where married people should not be looking for ways to increase intimacy.

Get rid of all the other jargon from other things you read, and focus on MB. Top of the page, click Basic Concepts, and start!

Marriage is the triumph of imagination over intelligence. Second marriage is the triumph of hope over experience.
(Oscar Wilde)