"They probably said the same thing when Sir Bobby Charlton retired after 759 games," said the 35-year-old.
"But I wouldn't be surprised if someone went past my record.
"The way players look after themselves now, if they get into a first team at 18 or 19 and stay relatively injury-free they can do it.
"It is a long time and a lot of games but you have other big players at big clubs who have stayed for a long time.
"They are getting challenged all the time, so there is no need to move on and improve yourself."