Similar - you can bet that most therapists have read that and incorporate it into their practice. My wife and I are fortunate enough to share the same primary love language, but like with most couples, there are a bunch of little things where we differ. This is why they say communication is key in a relationship - if you're not communicating, you never learn that the other person might come into the relationship with subtly different values or experiences, and then when they do things that make you feel ignored or hurt, you attribute it to malice rather than ignorance.