I have on occasion been caught with my nose stuck in the sound hole of my Martin acoustic. Guitar sniffing is a well documented fetish that is endemic to acoustic players. The fact that it is now spreading to the realm of solid body owners is a truly frightening prospect since there is evidently no known cure for this particular form of compulsive behavior. Although there have been no documented cases the fear among experts is that guitar sniffing may eventually mutate to a second stage condition that involves the other senses. If you experience an urge to actually taste your guitar it is important to seek professional help immediately to avoid the possibility of toxic reactions.