We'd say the biggest hurdle in pet care has been uncovering the truth regarding these 10 Myths. *Myth #1 - A warm or dry nose means a sick dog Myth #2 - All cats are loners. *Myth #3 - You can't teach an old dog new tricks Myth #4 - Eating grass means a sick pet or an upset stomach Myth #5-A purring cat is a happy cat and a wagging tail means a happy dog. *Myth #6 - Giving supplements to pets is a painful process. Myth #7 - When a pet licks its wounds, it speeds up healing. Myth #8 - An itchy pet is always a sign of fleas. Myth #9 - Pets get stiff when they get old. Myth #10 - Changing food is bad for your pet's digestion.