Michael Cera thinks he has missed out on a personal life.

The 22-year-old actor admits he has been working for over a decade and has had little time to focus attention on private matters.

He said: "It's like having two kinds of scaffolding in your life - one where you're working, and then real life that has nothing to do with work.

"That's something I'm trying to get a grip on right now because I've been working since I was nine and I haven't really focused the same amount of energy in my personal life.

"So that's something I may actually have to put a lot of work into."

However, the 'Scott Pilgrim vs. The World' actor professes he does love working on movie sets as he is taken care off.

He told Interview magazine: "I find being on set very invigorating. I never have a problem with that component of it, no matter the situation. I mean, they take care of you."