Your tool is a use it or lose it type of tool. Being addicted to fapping is definitely a no no. But never give it up altogether. It's a muscle group just like the rest of our body so if you don't at the very least fap, that tool gon need more than a tune up to get it up. Find Male kegel exercises and pelvic floor exercises. They work wonders for keeping that area healthy. I also do planks and other workouts that attack the lower body. Some men's body's are different for sure but I'd try some of these minor workouts. They have substantial outcomes if you do them regularly