How much do you guys talk about your illness? Especially if undiagnosed

I'm currently undiagnosed, but have chronic fatigue and nerve and muscle issues. I find I talk a lot about it all to my friends and loved ones and people I trust. It's almost like it's a major way to process what's happening. I try to avoid going on about it though, but it's definitely a daily topic when talking to people. I worry that it will drive people away though. How much do you guys talk about it and is it comfortable for you to do so?