1. That's OK if they feel depressed and sad psychologically about their imperfection and feel better inside after plastic surgery.
2. Many people in the Northern Hemisphere lack energy and feel depressed as the days grow colder and darker.
3. But in reality, people can feel fatigued and depressed after countless attempts at changing their partners.
4. A depressed astronaut could feel severe pain in the joints, have breathing difficulty or could even lose consciousness.