Parents switch to panic mode instantly. "They'll show up at your door, alert your friends, and may even call the police to ensure that you're feeling sane enough not to do anything stupid," Jovanovic warned. "It can get really bad if you tell them your dark thoughts out of the blue and without any solid explanation that puts these feelings in perspective. If you're feeling the need to vent, talk to your closest friends; or, if these thoughts are more frequent, share with your therapist."