Please help to find quote

Hi guys. Please help me find where this quote is from. I think it's from some fanfic, I don't know anything else.

"Over the past month, Newt successfully convinced everyone that the intense sexual activities never happened. He spun a tale about the girl falling ill with a mysterious ailment that left her bedridden and undesirable. Meanwhile, he pampered her with food and cuddles, watching her belly gradually swell."