Question

Which is the strongest indication that your friend is going through a depression

Answer 1

Feeling sad and in low spirits all the time, and crying a lot
Having no interest in anything, not getting any pleasure out of life
Feeling anxious all of the time
Having difficulty concentrating or remembering things, plus difficulty in making decisions
Low self-confidence and self-esteem, withdrawing from family and friends
Being more irritable and impatient than usual
Feeling helpless and hopeless
Feeling guilty, as if everything that goes wrong is their fault

Answer 2

isolation is a big part of it if they start to snap for no reason could also be a flag for depression, you could honestly let them know that they don't have to talk about what up in their life if they don't want to but if they don't your all ears for them. hopefully this helps <3