Healing is defined by revising the scar. If the wound is complicated by infection or tissue loss, scar revision takes longer. During an illness such as scurvy, as a result of Vitamin C deficiency, collagen production is decreased, but collagen destruction continues unabated. Therefore, wounds appear to heal perfectly only to break down months later as if they had never healed. It is reasonable to presume that scarring represents filling the hole created by the trauma.
Healing involves revision of the scar.
With emotional wounds, the scar becomes our perception of the trauma. Healing involves revising our perceptions. Who we are, is how we have healed.