The 19-year-old actress has been acting since the age of 10 and for her latest role in 'The Grand Budapest Hotel', Ronan decided to venture to the set alone, reported Contactmusic.
"I want to be able to look after myself. I felt strongly about making my own food and doing my own washing. I wouldn't go down the route of having an assistant. I don't want to be like that. I want to be normal," she said.
"I've always been quite mature because of the way my parents brought me up. They were very good at talking to me like a person rather than a baby. I was more comfortable with adults rather than actually being an adult child.
"I don't think I ever lost that child-like quality. I was never one of those kids, and I've seen them, who act like an adult on set. I don't want to be that kind of person. I enjoyed it too much to be that serious," Ronan said.