Pakistan, July 20 -- Matt Damon may be leading one of Hollywood's biggest blockbusters, but these days, the Oscar winner says his greatest focus is not fame-it's time.

While promoting Christopher Nolan's The Odyssey, the 55-year-old actor reflected on how hitting a milestone birthday completely changed his outlook on life.

"You get on the other side of 50 and at least for me, I really started feeling like time is the most precious commodity there is," Damon said.

"I just want to be intentional with what I do with it and make sure that I'm spending it exactly where I want to spend it."

So, what's at the top pf his list?

"There are three things," Damon shared: "my family and work and then Water.org."

At home, Damon admitted he's prepa...