This especially applies to those who have been working extremely hard and genuinely deserve to pass the exam. I particularly wish luck to those who are attempting the level 2 exam again, after certain number of unsuccessful attempts. I could only imagine how frustrating it should be to take the grueling level 2 exam multiple times.
But let’s face it, we are not all going to make it. The odds are against us. Do your very best, but should you fail the exam remember this:
In 100 years time we will all be dead and the chances are that no one will give a flying f*** about your CFA charter. 
Your grandchildren certainly won’t pride themselves to having had a grandpa, CFA! Also chances are CFA won’t make a drastic difference in your professional life. If you have what it takes to become a good investor, you most certainly don’t need the CFA charter. So it is not end of the world if you fail.
I believe this post and my analysis are rather naive and simplistic, and I apologize for that. These are merely my views and a somewhat of a philosophical perspective on the exam to calm myself and others down.
Very best of luck to you all!