In the United States it's the W-4 form. The W-2 you get at the end of the year to do your taxes.
Answer:
I personally think they do this, because their medications may make them feel worse than they already feel. They may also do this, because it may not be working so therefore there is no point in taking them. There could be major side affects to these medications that take a toll on their moods or just their daily tasks.
A is the answer to the question