I think spitting is WAY grosser than swallowing - seems to me like you actually have it in your mouth longer that way--going in and coming out. But then, I have kind of a spit squick: giving head doesn't make me gag, but seeing some dude hork up a lugy on the sidewalk often does. (Unfortunate, as it's a frequent occurrence round here.) To me the taste is neither pleasant nor unpleasant, it just...is. I like what it represents, so I have highly pleasant associations, though. :D
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