Marco lets out a groan when Jean scrapes his teeth over the scent gland, to trail off into a disappointed whine when Jean pulls back. He's frowning a little, but eventually his head clears as well. He's still oddly disappointed, but -

"You're right," he grumbles, not used to being the one who has to be denied what he wants. It's clear it disappoints him on some level, but Jean is right.

Marco clears his throat a little and taps his collarbone, instead. "Bite me here?" Just biting shouldn't do anything bad, and Marco wants some marks to remember this by!