She chuckled around his cock and let her humor vibrate it, she slowly drew off, her lips glistening and wet as she licked them, "Let him watch, its more fun to tease.. besides my love.. unlike us and our partners, he doesn't have a clean bill of health.. and safety first... we want a long time to enjoy this.... but if he wants to join, let him go get his doctors ok... and we'll bring him home... and you can watch me fuck him... or him fuck me...." she would do anything for David.