That was exactly what Nate was doing, readying him for more. As much as he wanted to just let Lucien impale himself on his cock he wanted him to need it more. And he wanted to get to that same level, where he was desperate for Lucien to let him inside.
"Mmm is that good baby?" Nate smiled as he spoke against the others lips, "Love my fingers" before his tongue entered Lucien's mouth once more.