How could he refuse such an offer? That would be idiotic, and Hook considered himself to be rather swift on the uptake. Though he didn't agree in words yet, simply gave in to the request - working his way up, he shamelessly (because it wasn't as if he had any shame either) sprawled atop his favourite person here (yes, Hawke was his most favourite - no offence to Swan or the others he lived with, from the same realm, but he wasn't drunk on pleasure-lust around them), a knee on either side of him as Killian ducked his head and went for a neck attack.
More like back on the collarbone, it was a good spot - sucking and biting, rumbling a groan as he staked his claim. "Alright," he finally concurred. "I'll just have to come here, then. Deal."
He wasn't the Dark One, he didn't usually make deals...but this was one that he'd certainly keep.