Is this seriously in the book?

INT. BEDROOM
Anastasia arid Christian are kissing passionately on the bed. Christian stops.
CHRISTIAN I have a secret. I am into BDSM.
ANASTASIA Ib that like... Poop stuff?
No it'8 —
CHRISTIAN
ANASTASIA Because I can do poop stuff.
CHRISTIAN It'8 not poop Stuff. It'8—
ANASTASIA I'll try