"Already the place was growing on him. His expectations had been low at first; new teachers were always assigned to the most unpopular schools. But when he took a look at the tourist brochure the school had included with its letter of welcome, he thought Morus seemed okay." ("Watercolours")
to grow on someone - if something or someone grows on you, you start to like them more
The new house slowly began to grow on her. (Macmillan)
"The world was a fantastic, marvelous, awesome place, Rose decided."