*Dons the hat of immaturity*
I went to meet someone I'd never met before about 2 and a half to 3 years ago. He was a friend of a friend, so I had a vague idea that he was actually real.
Turned out to be the same guy I'd been talking to and he wasn't some paedo. Hung out with him in his home town, and I started dating one of his best mates.
Zoom forward to today, we're still really good friends, and I'm still going out with the guy.
*removes hat*
So yeah, actually, I went against every recommendation/rule/teaching/idea about meeting a "friend of a friend" you'd only ever spoken to over the Internet and texted. Turns out was one of the best decisions I ever made.