Four attachment styles. Thus, during the times of stress and anxiety, they resort to abusing substances in order to cope with their circumstances. They are often the children who are physically abused and neglected. How attachment is developed for an infant can result in different attachment styles. For securely attached adults, they tend to not experience intense anxiety or fear when loved ones are not readily available, as they trust that they will be there when they need them. You must state that attachment is innate, occurs during a critical period, and forms an internal working model for childhood and adult relationships. Some have them and, some do not. Mary Ainsworth: We have talked about it many times, but I find after those occasions I feel both incredibly embarrased and more needy then ever.