United Kingdom, March 12 -- Scarlett Johansson "offends" fans by refusing to take selfies with them.

The Hollywood actress, 40, is notoriously private and admits she won't stop to take pictures with devotees if they approach her when she's not working because she wants top be left alone in her "own thoughts".

She told InStyle magazine: "It really offends a lot of people. It doesn't mean I'm not appreciative, of course, that people are fans, or happy to see me.

"But I always say to people: 'I'm not working.' I don't want to be identified as being in this time and place with you. I'm doing my own thing."

She added: "I like to be in my own thoughts that have nothing to do with what other people think of me. I don't like being self-consci...