I'm sorry to be harsh, but some couples are not just meant to be. Maybe you two are not compatible, no matter what. :-(

Or, maybe, you just aren't able to understand each other: in this case, couple counseling could be a life-saver.

This article is valid, but it's not magical. When a couple has serious issues, basic advice like this is not enough, and you need to go deeper, to seek help... or admit it's helpless and cut your losses.