nasopharynphilia
A rare psychological disorder located on the obsessive compulsive spectrum whereas the sufferer is obsessed with all aspects and functions related to the nasopharynx.
Having experienced nasopharynphilia for most of his life, he owned many textbooks normally owned by physicians and medical students and had a knack for hanging out at hospitals and asking invasive questions of perfect strangers related to subjects like sore throats, allergies, cancer of the pharynx and such.