is obsessed with
Mi sobrina está obsesionada con los arcoíris y los unicornios.
My niece is obsessed with rainbows and unicorns.
Mary está obsesionada con su apariencia.
Mary is obsessed with her appearance.
Está obsesionada con los libros de Harry Potter.
She is obsessed with the Harry Potter books.
María está obsesionada con los animales.
Maria is obsessed with animals.