A few months ago, a “friend” posted a goodbye message and disappeared.   

He didn’t answer emails, or posts on a facebook account, or twitter questions.   

Nothing.   After 10 years, or maybe more, he was just gone.

We were friends, or so I thought.  He was much closer to some of my friends than he was to me, but we were still friends.  
And now I wonder.   What was it all about?   Did he not get something he was setting us up for?   Was it all fake?   Is he okay?  And do I care?