Writing Prompt: Note Behind the Picture

A picture on your mantle unexpectedly falls and crashes to the floor. As you go to pick it up, you notice a note hidden behind the picture. The message is from the future—and written by you. It instructs you to do something important. What does it say?

 Crash!

I spin around to see my tortie point cat leap off the mantle, my favorite picture of James and me, falling to the floor.

"Catoozie! What are you doing?!"

I rush over to the picture, to find the glass has shattered and fallen out, and the back cover is loose. When I turn the hinge to adjust the back, a small square of folded printer paper falls out. When I open up the letter I find the words:

I duck and feel fur flying over my head. Catoozie had leaped from behind me to jump back up on the mantle and now she had a small black withering, thing in her paws.Yeowling like a banshee, she jumped away with the little creature in her mouth.