Translation: “I love you, so I left a present for you…in your favorite shoes.” Here’s some good advice from animal and veterinary behaviorists on dealing with separation anxiety in cats.

http://drsophiayin.com/blog/entry/separation-anxiety-in-cats-when-a-smelly-surprise-means-kitty-loves-you

Here is some good information on Inappropriate Elimination from Cornell Feline Health Center:

http://www.vet.cornell.edu/FHC/healthinfo/brocuhre_housesoiling.cfm