I love filling up my nutsack, nothing beats the feeling of hot seed pulsating through my balls like a heart beat. When they are so full that a steady stream of precum leaks from my tip, and makes it so I don't have to keep reapplying lube. I don't care what anyone says, they are not full unless the skin starts to stretch under the weight of my load. I love it when they rumble with hunger pains, when they beg like a wild animal for more and more porn.
Yes, you read that right, my nutsack feeds off porn as full, converting all that content into hot, messy ropes of seed. My balls are a pair of beasts that have no bounds, they grow with hunger and take over, hijacking my mind and using my eyes and brain to search for more. My nuts do not care if I am exhausted or in pain, their only purpose is to swell and shoot, grow an drain, acting as a pair of lungs; expanding then exhaling.
Additional Information: Male, 21, 5'8, brown hair, blue eyes, athletic build, 7", tattoos.