For my clients who can’t handle or don’t want the big responsibility of a dog (I love them but always have too much going on the get one), I recommend getting a cat or two.
It’s proven that the purr of a cat is beneficial to our health. Check out this article by Melissa Breyer for more info: http://www.care2.com/greenliving/the-healing-power-of-purring.html
There’s also a lot of entertainment value in the various meows of cats. Though they’d prefer to communicate via their visual cues cats seem to have learned the value of “talking” from us humans.
Take a look at this great article about cats and communication: