This was interesting. And my goodness I'm tired of religion, but you also quoted the troll, Scott Adams, almost stopped reading after that.
I never read relationship advice as gospel, so to speak, but I'm not so dismissive of The Five Love Languages as a concept. It's merely a tool that helps you consider a preference or a need and labels them. The suggestion is to think about what you want/need and what your partner wants/needs. I took it as an awareness exercise, rather than an incompatibility test.
And I never got the hit that it had to be just one language. I freakin' hate gifts. Yet everything else is pretty much on par for me: words of affirmation, quality time, acts of service, and physical touch.