By Mary Varricchio As a professional pet sitter I have seen the most curious things from some of the pets I have cared for from utter joy & excitement to unbelievable sadness. The joy when I am on the ground with them playing and they were not quite sure what I was doing on their level. The sadness and pain they showed me to let me know they were at the end of their journey just by the look in their eye. I have traveled down many roads with a lot of these pets in 8 years and have learned so much from them. I follow all these tips while...