Do you feel nauseous just thinking about riding in the backseat of the car?
What about when you picture yourself standing on the deck of a boat on a rolling sea?
If you have experienced motion sickness as a passenger in a car, or when you’ve been out on a boat, then you almost certainly have a memory of it.
It’s the memory of the motion sickness that causes what’s called “anticipatory nausea and vomiting.” All before you even get into a car or step onto a boat.
In other words, you get motion sickness before there’s any motion.
You can prevent this anticipatory nausea and vomiting in the same way that you do motion sickness: