All children experience situations that naturally make them feel frightened and upset. Up until the age of two, separation anxiety is one such situation, when children become distressed if separated from their carers. This is a normal emotional reaction and is no indication of future problems (in fact it is more a sign for concern when a child does not show any anxiety at being separated). By the age of two, however, most children are able to cope with being out of sight of their carer for short periods of time.