Your partner has not replied for three hours. You know they are at work, but you keep checking your phone. You reread your last message, looking for something you might have said wrong. By the time they reply, you feel embarrassed by how frightened you were, and a little angry that they did not notice. If this feels familiar, you may be experiencing anxious attachment in relationships. The fear can be intense even when you care deeply for your partner and want to trust them.