When talking or interacting with other people, you may notice that you tend to position yourself a specific distance apart from each other, almost as if there is an invisible boundary or bubble around your bodies which prevents other people from coming closer. If someone breaks this boundary, it can make you feel uncomfortable and so you may find yourself moving further away to re-establish the distance.
This concept of 'personal space' is very important when communicating with others; it's essential to pay attention to how much space the other person puts between you and them so that you can maintain the invisible barrier between the two of you. However, it's worth knowing that this boundary can expand or contract depending on the situation and how well you know the other person.
Research has shown that the amount of personal space that the majority of people need can be divided up into four zones: Public, Social, Personal and Intimate: