I think the problem is that sometimes emotions can have nothing to do with reality. It's just a brain chemistry problem and only fixing the brain chemistry aspect will help. That can be done through exercise, meditation, supplements or drugs. In certain instances there's even a correctable problem, such as low grade heavy metal poisoning, that can be permanently fixed. When people beat themselves up over brain chemistry problems, it just makes it worse. It's like mentally beating yourself over not being able to walk with a broken leg.