> Depression also encourages a lot of binary thinking, where people tend to give up because they can't achieve the optimal solution and can't imagine anything in between optimal and complete failure.

Definitely, it warps your perspective badly.. my conclusion is to never think over sadness. I'm sure we're mostly supposed to be hugging loved ones, walk or sleep.

> And most importantly, depressed people almost never want to hear someone else telling them that they should do something to change their own condition.

I'll add an exception. They/we do.. we just need someone we can relate to closely. To an absurd level even.. because whenever you can finally talk openly and feel someone gets you, the mental pain lessens rapidly.