Nate wouldn't cause pain for pain's sake, if he inflicted pain he wanted there to be pleasure in it too. He wasn't a naturally violent person, despite his intimidating appearance.
"Rough can be the good sort of pain" Nate replied, finding himself hardening more as Lucien left his marks. Did he? Yes, he thought as he felt Lucien's tongue on his cock, god yes. He liked soft, tender sex but part of him also loved letting go completely and fucking hard. His answer was a moan and his hand slid into Lucien's hair and gripped.