Simon the cat looks out the window everyday to catch a glimpse of a neighbor’s cat in another apartment. Finally, Simon’s owner decided to write a note to the other cat, revealing Simon’s fascination.

Fortunately, the other cat’s owner replied with a sign too, revealing that Simon’s object of affection is named Theo. For Simon’s birthday, the two cat owners opened their windows to let Simon and Theo talk to each other. Perhaps over time, they’ll be able to meet and play together as well.

To read more about this romance between two cats in different apartments, click here.