The black cat named Juliet, while not appearing to be important to the episode, actually had information about the Laundromat embedded in the sphere on it's collar. When Romeo is killed trying to find Juliet, the information is lost. However, Romeo had a back-up plan of inserting the information about the Laundromat into the wedding invitation he sent to Ken along with the post-dated message to inform Ken about the information hidden inside the invitation.
J A man should never shed tears for his sadness. A man cries instead or a kindness.
J The deeper the sadness is within a man, the drier his tears become
Kyoko Do you think Edmundo might actually believe that Romeo could still be alive? He hasn't even shed a tear for him yet.