A Maltese weighs about seven pounds, while the English mastiff can weigh up to 240 pounds ... Turns out, there are 190 recognized dog breeds in the US and only 42 cat breeds.

"Dogs were appreciated a lot more than cats were because dogs were useful ... Organizations like PETA are against selective breeding because it can cause health complications.

If you've always declared yourself a self-professed "dog lover" but can't have one of your own, you may want to consider ...