Alcohol Flush Reaction
A condition caused by the incomplete metabolism of alcohol with accumulation of acetaldehyde due to a missense polymorphism in acetaldehyde dehydrogenase—ALDH2—resulting in bright red skin due to capillary dilation of face, neck, shoulder, and sometimes the entire body after consuming alcohol. Those with ALDH2 deficiency have up to a 10-fold greater risk of oesophageal cancer, attributed to the accumulation of acetaldehyde

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)