get into a world of (one's) own(redirected from get into a world of her own)
get into a world of (one's) own
To be consumed by one's thoughts, imagination, etc., to such a degree that one is unaware of or insensitive to one's surroundings or the outside world in general. When she starts writing, Helen gets into a world of her own, and it's very difficult to get her attention.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.