I kept on sucking him slowly as it was my first time at sucking dick. I looked up at him, and parted my moist lips.Jack placed his hands on the back of my head and guided my head to his cock into my mouth once again. Slowly and gently, I began to slide in and out on his dick. Each time, I increased the pressure of mouth around him. He could feel my tongue sliding along the length of his shaft with each movement, as I pumped mouth in and out on his dick.