Regressive behaviour e.g. excessive clinginess in pre-school children or the sudden onset of soiling and wetting when these were not formerly a problem. Withdrawal into fantasy worlds. A child may even seem to have an intellectual disability when this is not the case. Sleep disturbances and nightmares. Changes in appetite.
Fear states e.g. anxiety, depression, phobias, and obsession.
Overly compliant behaviour. Pseudomature behaviour e.g. acting like a parent or spouse. Delinquent or aggressive behaviour. Arriving late at school or leaving early. Poor or deteriorating relationships with peers.