Just a quick note - a companion worked wonderfully for my first kitty. Bushes (3 years old) and Bouja (5 years old)keep each other company and entertain each other (and me)constantly. I'm very impressed at how well they've taken to each other. Bouja has lost weight since Bushes arrived and is much happier in general. So although I spend a large amount of my free time at home with them, they enjoy my time away as well.