The Inbetweeners star told Digital Spy that he is impressed with the way younger stand-ups get organised.
"There's a lot of really brilliant young comedians out there who speak with a wisdom that is frankly baffling," Davies said. "When I was 18, 20, I was just a total loser.
"I know that if I'd started at 21, which is what I wanted to do... I never would have lasted, because my skin just wasn't thick enough.
"Too much of a wimp! I had no choice but to come into it later, so I could get a thicker hide."
He added that his previous career as a drama teacher had given him an "unfair advantage" when it came to public speaking.
"Invaluable armament, certainly," Davies explained. "As time goes on, that counts for less and less.
"There's a lot more to doing a decent stand-up show than being able to keep people quiet and in their seats."
Greg Davies's debut live DVD Firing Cheeseballs At A Dog is out now.
> Inbetweeners sequel won't be driven by money, says Greg Davies
Watch a clip of Greg Davies talk about Flo Rida from his new DVD below: (CONTAINS SWEARING)