The dynamics of the family and the support from other members cannot always be depended upon. Often when marriages break up or even when the blending of the family is between different faiths, there are other people’s feelings to consider and relationships can only be built if the dynamics of the relationship are fully understood. The child who misbehaves may actually be letting out signals such as “You are not my parent” and these signals show the distress they feel at being placed with a new parent with whom they are unfamiliar. Having come through a family crisis in which they have lost one parent, they don’t know what the boundaries are, and can test these.