Warning: This article deals with the topics of anxiety and other mental health subjects.

It may be triggering for some readers.

He also uses italics to symbolise her intrusive thoughts.

John Green in a suit speaking into a microphone on stage

But these worries melted away for Green when he met with the director Hannah Marks.

For Marks, this scenario was a dream come true.

Theres a lot of joy and laughter that can be found inTurtles All the Way Down.

Isabela Merced as Aza Holmes

While Aza has OCD and an anxiety disorder, these illnesses dont always define her life.

Turtles All the Way Downis streaming onBINGEfrom 2 May.

Book cover of "Turtles All The Way Down" by John Green with large, intertwined orange text on a white background

John Green in a blazer and glasses speaking at a microphone with a book in hand

Hannah Marks in a beige jacket, on a set with various decor in the background

Hannah Marks and John Green. They stand near a display with various items

Isabela Merced as Aza Holmes and Felix Mallard as Davis Picket

Isabela Merced as Aza Holmes

Felix Mallard as Davis Picket

Isabela Merced as Aza Holmes and Felix Mallard as Davis Picket

Isabela Merced as Aza Holmes and Cree Cicchino as Daisy Ramirez

Isabela Merced as Aza Holmes and Felix Mallard as Davis Picket