Lars, meanwhile, has no idea that Lauren might already be getting there. In fact, he's so absorbed in what he's doing, he doesn't notice much of anything, beyond Lauren's sounds, his taste and the careful stimulation Lars is doling out. Careful because he wants Lauren to feel good, and wants to impress him (Lars, when he actually bothers to try at something, tries a little too hard), but also because he's minding his own teeth. Not to mention the distraction of his own pleasure—Lars isn't trying to get himself to cum, but he's keeping his erection at its hardest, stimulating away the ache when it comes.

Lars jerks the whole of Lauren's cock, just short of the head, and with his eyes half lid, stimulates the tip of Lauren's cock with his tongue and lips, essentially in slow, wet kisses. It's the closest he can really get to sucking him off without injury, so. Hey. Also, it's doing a lot for Lars.