Answer: The braille alphabet.
Explanation:
Tell the friend to be careful not to take too much. It does not sound like they have a negative relationship with this drug, nor serious health issues. Telling them to be cautious is the most helpful/appropriate thing to say here.
<span>Watery eyes can defend you from dust or any factors that can directly enter your eyes. Watery eyes can get rid of everything that is bothering them like chemicals, salt, and pepper. If you notice, when you slice an onion, your eyes will slowly be in tears. This is to protect your eyes from the substance that an onion excreted when it is sliced.</span>
