Symptom question

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Has anyone ever had random, LIGHT moments of nausea, followed by drool pooling in the back of your throat?

My period didn’t happen yet (2 days late) and I got negative/evap line tests. Everyone else around me is popping up pregnant and I can get telepathy/empathy symptoms along with missed periods when this happens... but I’ve never had the sudden nausea + DROOL happen before and I’m not sure why it’s happening if this isn’t a pregnancy symptom.