First, read the English article below.

Pessimism is the orientation toward life of expecting that things will go poorly. Usually, people become pessimistic because things in their lives actually did go badly. Pessimistic people often seem negative because they are quick to shoot down ideas and possibilities. Just remember that these people most likely have a history of bad things happening in their lives, so from their perspective, pessimism might seem totally reasonable.  People who have pessimistic views may see positive thinking as "sticking your head in the sand" or refusing to acknowledge life's problems. You can help encourage your friend learn to think more positively by modeling healthy positive thinking in your interactions.  For example, a friend with a pessimistic view may say, "I shouldn't even try for that interview, because I'll never get the job." Someone who is refusing to acknowledge reality might respond, "Oh, you'll definitely get the job! There's no way you're not the best!" While this may sound positive, it isn't helpful because it's clearly unrealistic and doesn't acknowledge your friend's genuine concerns. Instead, be positive but realistic: "Okay, maybe you might not be the most qualified person in the world for that job...but you won't know if you can get it unless you apply. You do have a lot of the qualities they're looking for. What would it hurt to apply?" Depression is a mood disorder marked by symptoms such as feeling hopeless, an inability to feel pleasure, and extended fatigue. Depression is the source of a lot of negativity; understanding it will help you understand negative friends who may be depressed. Depression is caused by a lot of different factors outside the control of the person, such as genes, family environment, and peer environment. People who feel depressed have difficulty mustering the energy to do things. Because of how tired and “low down” depressed people feel, they may seem really negative and unhappy.  People with major depression can't just "snap out" of feeling bad. However, depression is very... 

Now, please write a short abstract for it in Indonesian. Abstract:
Kenali apakah ada rasa pesimis. Kenali apakah ada tanda-tanda depresi. Bicarakan isu depresi dengan teman Anda. Perhatikan apakah ada tanda-tanda kecemasan. Usulkan agar teman Anda mengikuti terapi untuk mengatasi kecemasan. Perhatikan apakah ada rasa tidak aman dan masalah harga diri. Ketahui bahwa kebiasaan negatif bisa muncul tanpa disadari.