While it would doubtless cause more complications, he might not make a bad first impression if he usually said hello this way. Natasha seems to be enjoying it at least. More than enjoying it, she finds herself getting lost in the rhythm of their bodies, the sound of their breathing.

She arches into Jack's mouth, her fingers threading through his hair encouragingly as she struggles to find her voice. "That's good," she assures him through the haze. "Shit, that's good."