There's a guy a couple of tables over who clearly thinks he's quite smart. I suspect he also thinks he has a reasonable grasp on how to get along in polite society.
He is wrong.
In addition to conducting a conversation with two preschoolers in outdoor voices (as they were running circles around the middle of Panera, which admittedly is more their parents' fault), he has just made the following statement:
"You know that street where people hung out in the sixties? They're still there, and it's twenty years later!"
Excuse me, sir? The sixties were "twenty years ago" when I was in preschool. You're looking at 35-40 years ago now. I'm sorry, but your brain is skunked.