The 34-year-old actor said he is not very interested in gauging how strangers respond to his movies as he does not know whether they are being genuine, reported Contactmusic.
"I'm starting to shy away from watching them at all. I sense a reaction from people I love, who I know are honest. The things I am really proud of I like to see on the big screen ...," he said.
Quizzed about the possibility of staring in another flick with ex-girlfriend Amanda Seyfried after starring together in song-filled flim 'Mamma Mia!', he said, "It depends what it is. 'Mamma Mia!' was fantastic, as so many people responded to it. It was in a beautiful place, didn't take itself seriously and the music is incredible. It brings happiness to people who don't have a great deal in their lives.