Introduction: Couples' personality traits play a key role in marital interactions. In cases where men haveavoidant personality, due to their effective roles in marital and family relationships, cold and soullessinteractions are established in the family. The purpose of this study was to investigate the characteristicsof avoidant men related to marital interactions from couple and family specialists' view. Method: This was a qualitative study using content analysis approach. Eight family specialists werechosen through purposive sampling method. Then, the data were gathered through semi-structuredinterviews up to data saturation. After that, data were analyzed through thematic analysis. Results: Two categories of "self-defeating” and “ other-defeating" characteristics were achieved afteranalyzing the data. The subcategories of self-defeating were "marital burnout” , “ withdrawal” , “ poor selfconcept” , “ social phobia” , and “ ambivalence". The subcategories of other-defeating were "compulsiveperfectionism” , “ maladaptive self-centeredness” , “ emotionally cold homes” , “ change aversion” , “ sociableappearance” , “ sexual passivity” , “ passive-aggressive” , “ niggardliness” , and “ talking inactivity” . Conclusion: The "self-defeating” and “ other-defeating” characteristics of avoidant individuals lead themand their spouses' to burn out. This results to cold and unfriendly interactions, and the reduction of maritalquality. Therefore, identifying these characteristics will lead to identifying new solutions to modify thesetraits, and to improve marital interactions and quality.