Other warning signs
of depression or psychological problems include radical
changes in behavior such as fighting at school, cheating, stealing, lying, or intense arguments with others (teachers, friends; or you or their other parent), declining school performance for
over a
period of a
few weeks, developing physical ailments or chronic complaints (such as stomach or headaches), sleep problems, eating disorders (or gaining or losing more than ten pounds when not trying to),
changes in peer relationships such as losing friends or isolating themselves from social activities, and sadness that lasts more than a
few days.