updated 11/21/2013 AT 3:00 PM ET
•originally published 11/21/2013 AT 7:00 PM ET
“These days I feel like I’m more centered and grounded than I’ve ever been,” he tells the Associated Press.
The actor, who met Cyrus in 2010 on the set of their film The Last Song, admits he’s gone through a lot since he moved to Hollywood from his native Australia five years ago.
“I’ve learned so much,” Hemsworth, 23, says. “The first few years in L.A. were really tough and scary, but I had to figure things out for myself.”
And that meant learning to deal with all the media attention during his relationship with Cyrus, 20, and after their relationship ended in September following cheating rumors.
“What I always keep in mind is that I know what the truth is and that’s all that matters,” he says. “I know I’m a good person.”