You can house train a dog. Middle-aged dogs don't feel the need to abandon you for a younger owner. Dogs aren't threatened by a woman with short hair. Dogs aren't threatened by two women with short hair. Dogs don't mind if you do all the driving.
Dogs admit it when they are lost.
Dogs don't weigh down your purse with their stuff. Dogs look at your eyes. Dogs like your size. Dogs do not care whether or not you shave your legs. Dogs are color blind.