1. Wigs.
  2. Wigs.
  3. Wigs.
  4. Matthew Rhys's American accent.
  5. Subtitles instead of people with silly accents.
  6. The Soviet props.
    This shit must be dead on. So specific. So perfect.
  7. How easy I find it to root for the soviet spies against the FBI.
  8. Obsolete spy technology.
    So bulky!
  9. Strong marriage bond
    Suggested by @jennikonner
  10. Shared interests
    Suggested by @jennikonner