I think when we are "constantly" talking about ourselves in any capacity, particularly with people who can't or don't relate, leaves the conversation to be very one sided.

I have a friend/acquaintance who has a specific and rare medical condition. She's lovely and "every time" we meet up, she talks about it.. no exaggeration. At first I listened with empathy and was very supportive over a condition I had never heard of before. But after a while, there wasn't anything more I could contribute to her story. There wasn't new information being shared, apart from the odd new thing she was trying. It got to be too much.

We all have a story and we all want to be heard. If you're "constantly" talking about your mental health, as unaluna mentioned, save it for a therapist, and instead, focus on more positive things about yourself and others.