"Why does my cat do that?"
For anyone in need of some expert cat behavior advice, check out Dr Kim Kendall -- one of the world's leading veterinary experts in "Feline Friendly Care (www.felinefriendlycare.com) and behaviour. She also runs in Sydney, Australia, home of Cafe Purrfection, the world's first ethical cat cafe where it's all about the cats, not the coffee (or humans). Check out http://thecatpalace.com.au and www.felinefriendlycare.com
As of 2016, Dr Kendall is my GO-TO cat lady for when we get a lot cat home and have behavior issues, reacquainting issues and calming down after being lost and starving. Her advice works, plus she has that cool Aussie accent to boot!