Answer:
What fastens two people yet touches only one?
I am a piece of paper that takes most people 3 or 4 years to get. What am I?
It is something you make after you've weighed your options.
It is a gruesome form of betray.
You'll have to consult an optometrist if you want to improve this.
If you can spot one of these eastern warriors, it means they're not doing their job right.