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