Incompatible attachment styles could hinder your relationships, according to a therapist INSIDER 4/29/2021 Attachment styles describe the way people relate to each other and form relationships. There are four styles: s ecure, anxious-preoccupied, dismissive-avoidant, and fearful-avoidant. Couples with incompatible attachment styles have to communicate to resolve their differences, therapist Alex Greenwald said. You may have seen the term "attachment style" floating around your social media feed, perhaps in a passing post from your favorite wellness influencer. According to therapist Alex Greenwald of Empower Your Mind Therapy, attachment styles are the way people communicate and relate to each other. The styles can influence how much time you like to spend with other people, how you show love, and what makes you feel secure.