You may be interested in understanding how we came to the conclusion that certain types are ideal for each other. Our type pairing is a result of combining observation, research, and understanding of Jungian psychological type. Observation and research of married couples shows that there is a definite trend in types that are attracted to each other, and in type combinations that have the longest lasting relationships. Our understanding of psychological type helps to see that these types typically have the same dominant function, but with a different attitude.