#8: Warning Signs
It’s always unpleasant when you feel like you’re about to throw up but you’re not actually sure if you are. Should you stay safely near the toilet, just in case, or can you go about your day and not waste your time hovering in the bathroom?

This hack writer provides a useful tip for more accurately predicting when you are about to throw up. If your mouth is filling with saliva, that’s a sign that it’s probably time to run back to the toilet.