Is your Anxiety making it hard to be in a relationship What is an Anxious Attachment Style Anxious attachment is characterized by fear of abandonment and need for constant reassurance. People with this type of attachment can be overly clingy and preoccupied with their relationships. They often worry that their partners don't care about them and may act overly dependent or demanding. With an anxious attachment style, they might struggle with saying no out of fear that the oth