Maybe it's the way Harry's eyes sparkle in the dark of their room. Maybe it's the way Niall's heartfelt smiles chase away the shadows that frighten Harry to the bone. Maybe it's the way their bodies move together beneath the sheets, slick with sweat and red with scratches. Maybe it's the way their moans sound together, harmonizing and melodic. Maybe it's the heat of it all that makes them go mad. One thing is for sure, though, and it's that there is no going back once they've started. Ever. All Rights Reserved, by the way.