Although two well-developed individuals of any type can enjoy a healthy relationship, INFP's natural partner is the ENFJ, or the ESFJ. INFP's dominant function of Introverted Feeling is best matched with a partner whose dominant function is Extraverted Feeling. The INFP/ENFJ combination is ideal, because it shares the Intuiting way of perceiving, but the INFP/ESFJ combination is also a good match. How did we arrive at this?