"When a person stops sharing the little things. How the day went, what made them laugh, what irritated them a little, or their random thoughts. Their inner life becomes closed off."

Note: Nobody here is a doctor or a therapist. These are opinions from everyday people who are drawing from their own experiences. If you or someone you know is struggling and needs help, please seek professional care.

"Or too much sleep. This is how my wife knows I’m depressed."

"Yep. My boss is the only one who truly saw it. I had recently returned from a mental health leave, and she was like, 'I think we need to talk about another leave.' No judgment, nothing. When she saw me again two years later, she said my eyes were alive again."

"There's a reason why the ‘thousand yard stare’ is known for what it is. That blank gaze, completely detached from the world around them; it says a lot about how someone is doing deep down. The eyes really are a window to the soul. They never lie."

"They stop calling or texting, then they stop answering and stop participating in activities they'd normally enjoy."

Note: Responses have been edited for length/clarity.