This is my dilemma - KW saw spit coming out of my mouth when I was speaking forcefully about his homework, and from that time has developed a sort of theory that whenever I talk I spit. From there, he started spitting in order to get rid of the germs that he thought went into his mouth. (I really apologize if this is a bit too gross). So now he softly allows saliva to fall onto his clothes or book or whatever.
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