#2 could hold some truth. Almost every time I have a drinking session, I develop a common cold: runny nose, maybe a little cough. Summer, winter, doesn't matter

#2 could hold some truth. Almost every time I have a drinking session, I develop a common cold: runny nose, maybe a little cough. Summer, winter, doesn't matter. Resolves in a day or two but it's another inconvenience on top of the hangover.