How would you choose between a dog and a cat for your pet? Draw lots? Upto your girlfriend or boyfriend? Yikes! Although they are both fluffy and friendly,their behaviors are totally different. Check out our tips to figure out which one is the best for you. 1. Consider your personality If you are energetic and enjoy the outdoors, you may be looking for a companion you can run with or go swimming with. A dog may be the right choice since it is playful and needs plenty of stimulation, fresh air and a regular walk, while a cat doesn't.