By the age of five or six, a child will have developed their life style — that is their own individual way of dealing with and responding to the world around them. (positivedisciplinect.org)
Children react in individual ways to scary events depending upon their age and psychological makeup. (carolinaparent.com)
Every child is born with his own individual way of approaching the world — this is called his temperament. (zerotothree.org)