If I was a lifelong fan then YES I might well go to see him.
I'd prefer him to say truthfully what his problem is. It's a shame he's been hiding it.


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 GUEST ... You saw in the article all the news about his indiscretions, yes pretty bad form.

I prefer to read positive threads.
Others might have seen
 "I was in denial, but a part of me always knew this was coming."

Of his mother's struggles, Cassidy recalls: "In the end, the only way I knew she recognized me is with one single tear that would drop from her eye every time I walked into the room. … I feared I would end up that way."

Now that he's come to terms with his condition, Cassidy has made the decision to stop touring as a musician to concentrate on his health and happiness. "I want to focus on what I am, who I am and how I've been without any distractions," he says. "I want to love. I want to enjoy life."
Looking at his website he's only got a few shows left to do this year.

GUEST ... you forgot or failed to put the < at the start of your link
https://uk.yahoo.com/news/celebrity/david-cassidy-reveals-battling-dementia-213733131.html

GUEST ... You forgot to check your cookie was active, or chose to post anonymously.

I'll try not to hold these misdemeanors against you.
Sadly lots of us do make mistakes.
And we hide.