Any therapist working with relationships will tell you that this is probably the most common explanation given by couples seeking therapy. When this is the entirety of what is needed, therapy is a fairly straightforward process. I like to teach couples a dialogue process that involves effective ways of improving how a message is sent and received. More about this later.
This acronym, RAIN, comes from the teaching of Jack Kornfield. I consider it to be a basic and powerful tool for change. It is simultaneously eloquently simple and complex. For this reason, I am offering the following explanation.
When you first meet someone and find yourself interested a simple, natural thing happens. You focus on the things you like and give less attention to the things you don't like. Most importantly, you really pick up on the behaviors that seem caring. Not only is this what is known as "the honeymoon phase" it is also the recipe for attraction.