Birds that are neglected often fall into destructive behavior patterns and depression. (thesprucepets.com)
A parrot that is neglected grows lonely and will exhibit destructive behavior patterns and emotional depression, which can play out in a wide range of physical symptoms and behaviors. (thesprucepets.com)
«People lose jobs, students withdraw from classes, and individuals can initiate extremely self - destructive behavior patterns following a breakup,» he said. (sciencedaily.com)