This question have been in my head for awhile.

The reason I ask is because, I saw a lot of people, mostly young people, will keep saying or preaching on social media that he/she have depression, taking pictures of pills, or the scars he cut, a selfie and add some sad words. And use the depression as an excuse for everything 

Does a person that really have depression, will do this kind of things?

for me I will not let others know that I depressed, even close friends or families, I did tried to tell in the past, but somehow I just can't, I even feel ashamed about the depression.