It's his brand, though—of course he'd be that way for an interviewer. Which leads to the next slightly annoying bit—author was reluctant to follow up because J

It's his brand, though—of course he'd be that way for an interviewer. Which leads to the next slightly annoying bit—author was reluctant to follow up because Jimmy Fallon is a celebrity, which isn't said explicitly but is essentially the crux of the whole article. Apart from that, "Hey, ya never know" is not terrible advice, but it's also a lottery slogan.