"Come now. You act like this is your first time giving a blowjob. Surely, you can do better than that." When she continued the same stuff, he sighed. "Use your tongue more. Let it in deeper. I want to hear you gag on it." He grabbed the back of her head and thrust in deep to show her what he meant. His dick hit the back of her throat everytime he thrust in. "That's how it should go. Occasionally swirl your tongue around."