United Kingdom, May 22 -- Matt Damon is convinced Charlize Theron "won the genetic lottery" because she's barely aged over the last few decades.

The pair first worked together 26 years ago when they starred in 2000 movie The Legend of Bagger Vance and they have reunited for Sir Christopher Nolan's new epic The Odyssey - and Matt, 55, is convinced he's "aged" more than his pal, who is five years his junior.

In an interview with ELLE magazine, he joked: "I don't know why only one of us aged. She won the genetic lottery."

He adde of Charlize: "She's somebody I've always really rooted for because if you know her, it's impossible not to root for her. She's just a formidable woman and a great, great actress."

Matt also expressed his admirat...