Collocations for obsession - noun
VERB + obsession
become
Don't let this interest of yours become an obsession.
Don't let this interest of yours become an obsession.
have
He thinks all women have an obsession with shoes.
He thinks all women have an obsession with shoes.
PREPOSITION
obsession with
I don't understand television's current obsession with reality shows.
I don't understand television's current obsession with reality shows.