The #1 depressant is low nutrition cooked food.
Ones body has to continually work hard to break down food covered in plant wall or denatured by heat, for poor returns.
When ones body must grind, then you must grind at work, grind at relationships, for years, depression is inevitable.
Do what ever you have to, to find free range organic eggs and meat. Eat it raw.
Search like your life depends on it.