Symptoms are often relating to physical appearance, such as being obese, old, or ugly. Even minor physical flaws, such as having crooked eyes or a third nipple can lead to involuntary celibacy. Particular interests may also be a blatant symptom of involuntary celibacy, which can include, but aren't limited to, being a Star Trek geek, Wikipedia editor, or Electrified mocha chinchilla. Throughout the 2000's the origins of incel syndrome remained unknown, but it is now known to be is caused by the cooties virus and can be spread through contact with infected individuals.