Viewers are interested in the topic. They have their own stories to share. They see themselves in the video. The feel the pain. They understand what happened and the consequences of improper medical care. They want to share. They want to relate to what happened in the video.

They want to interact and commiserate with people who have gone through what they have gone through. They like the content. They like the way I presented the material. They like what I have to say. They want to respond and tell me about their problem

Which video am I referring to? Come on now...you’ve been reading my stuff for a long time. You know which one. I’ve talked about this particular video before. 
Watch the video above to learn what I'm talking about.