Aging Dogs My Yorkshire Terrier recently turned 4 years old, so is this the age that dogs tend to slow down~? Seems like lately he will play ball to eat his meals and then not much longer afterwards. He really enjoyed playing ball for treats and wanting to go in 5 mins after he done eating and ball play and this has me worried a bit. Otherwise, he's a fast boy chasing the ball or flyer (frisbee-like). I hate to see him slow down and age |