Eli5 why do we produce a lot more saliva right before we vomit?

Question

I’m currently suffering with a nasty sickness bug and was wondering why my mouth fills with saliva right before I vomit?

NSFW just incase

In: 3025

Answer 1

If you keep spitting that saliva out you might not puke. Trick I learned in hs! Always spit to trick your brain into thinking your puking and you won’t puke 50% of the time