Let's see... "Relatively attractive for one of his kith, he nonetheless carries the usual sluagh sense of deformity and odor of death, although occasionally it’s joined uncomfortably by the fragrance of cheap drugstore aftershave or mint. " Perhaps after that add, "The closer one comes to touching him, the more one almost gets a feeling as if they were reaching blindly into a snake pit, as despite his lack of scales, there is something vaguely serpentine about the young man, as if the closer you get, the tighter he coils" ?