2, you can't drink water immediately after eating grapes, otherwise diarrhea is prone to occur. After eating grapes, you should eat the products at intervals of 4 hours to avoid tannic acid in grapes and calcium in aquatic products forming substances that are difficult to absorb and affecting your health.
3, eat grapes as much as possible with the skin, because many nutrients of grapes exist in the grape skin, and the function of grape juice is not as good as that of grape skin! Therefore, it makes sense for tongue twisters to say "eat grapes without spitting out the skin".