"Ah, there it is. That's why stuff's so different for you. I wasn't even born yet in 1985." Or for the next ten years. "This place must be really wild for you with all the technology and cell phones and computers and everything."
He was really glad that he didn't have to get used to this. Sure, he was from a little bit int he past too, but enough that he knew how to use cellphones and get around in today's society.