This is morbid.
Kill one person to save 20, or kill 20 to save one? That's wrong.
What if i have two very close friends? I certainly don't like this.
I only have one really close friend. dun dun dun!
What if your closest friend isn't who you think it is?
Where should this comment appear?
This pairing only
Whenever "Your closest friend dies" appears
Whenever "Your 20 closest friends die, except your very closest friend, ..." appears